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1103140121 = 7992915031
BaseRepresentation
bin100000111000000…
…1001010100011001
32211212202022202112
41001300021110121
54224400440441
6301244042105
736223351646
oct10160112431
92755668675
101103140121
1151676a556
12269533335
13147710045
14a6718dcd
1566ca64eb
hex41c09519

1103140121 has 8 divisors (see below), whose sum is σ = 1118380800. Its totient is φ = 1087931520.

The previous prime is 1103140091. The next prime is 1103140123. The reversal of 1103140121 is 1210413011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103140121 - 210 = 1103139097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103140096 and 1103140105.

It is not an unprimeable number, because it can be changed into a prime (1103140123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65876 + ... + 80906.

It is an arithmetic number, because the mean of its divisors is an integer number (139797600).

Almost surely, 21103140121 is an apocalyptic number.

It is an amenable number.

1103140121 is a deficient number, since it is larger than the sum of its proper divisors (15240679).

1103140121 is an equidigital number, since it uses as much as digits as its factorization.

1103140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16039.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1103140121 is about 33213.5532727229. The cubic root of 1103140121 is about 1033.2614502777.

Adding to 1103140121 its reverse (1210413011), we get a palindrome (2313553132).

The spelling of 1103140121 in words is "one billion, one hundred three million, one hundred forty thousand, one hundred twenty-one".

Divisors: 1 79 929 15031 73391 1187449 13963799 1103140121