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1030122105 = 3568674807
BaseRepresentation
bin111101011001100…
…110101001111001
32122210100121212120
4331121212221321
54102202401410
6250115031453
734345615305
oct7531465171
92583317776
101030122105
11489527a91
12248b9b589
1313555590c
149ab4cd05
1560681570
hex3d666a79

1030122105 has 8 divisors (see below), whose sum is σ = 1648195392. Its totient is φ = 549398448.

The previous prime is 1030122073. The next prime is 1030122109. The reversal of 1030122105 is 5012210301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1030122105 - 25 = 1030122073 is a prime.

It is a super-2 number, since 2×10301221052 = 2122303102419262050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 68674807 = 1030122105 / (1 + 0 + 3 + 0 + 1 + 2 + 2 + 1 + 0 + 5).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1030122109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34337389 + ... + 34337418.

It is an arithmetic number, because the mean of its divisors is an integer number (206024424).

Almost surely, 21030122105 is an apocalyptic number.

1030122105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1030122105 is a deficient number, since it is larger than the sum of its proper divisors (618073287).

1030122105 is an equidigital number, since it uses as much as digits as its factorization.

1030122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68674815.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1030122105 is about 32095.5153409320. The cubic root of 1030122105 is about 1009.9415399291.

Adding to 1030122105 its reverse (5012210301), we get a palindrome (6042332406).

The spelling of 1030122105 in words is "one billion, thirty million, one hundred twenty-two thousand, one hundred five".

Divisors: 1 3 5 15 68674807 206024421 343374035 1030122105