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1230122001 = 3837196871
BaseRepresentation
bin100100101010010…
…0010110000010001
310011201200200011010
41021110202300101
510004402401001
6322021441133
742324602343
oct11124426021
93151620133
101230122001
1158140a959
122a3b701a9
13167b0cb54
14b9531293
1572eda8d6
hex49522c11

1230122001 has 16 divisors (see below), whose sum is σ = 1662474240. Its totient is φ = 808956240.

The previous prime is 1230121999. The next prime is 1230122021. The reversal of 1230122001 is 1002210321.

It is not a de Polignac number, because 1230122001 - 21 = 1230121999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230122021) 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 15 ways as a sum of consecutive naturals, for example, 175596 + ... + 182466.

It is an arithmetic number, because the mean of its divisors is an integer number (103904640).

Almost surely, 21230122001 is an apocalyptic number.

It is an amenable number.

1230122001 is a deficient number, since it is larger than the sum of its proper divisors (432352239).

1230122001 is an equidigital number, since it uses as much as digits as its factorization.

1230122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1230122001 is about 35073.0951157721. The cubic root of 1230122001 is about 1071.4766931555.

Adding to 1230122001 its reverse (1002210321), we get a palindrome (2232332322).

The spelling of 1230122001 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, one".

Divisors: 1 3 83 249 719 2157 6871 20613 59677 179031 570293 1710879 4940249 14820747 410040667 1230122001