1232122131 has 16 divisors (see below), whose sum is σ = 1825938720. Its totient is φ = 821157120.

The previous prime is 1232122117. The next prime is 1232122147. The reversal of 1232122131 is 1312212321.

It is not a de Polignac number, because 1232122131 - 2³⁰ = 158380307 is a prime.

It is a super-2 number, since 2×1232122131² = 3036249891399962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232132131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124651 + ... + 134171.

It is an arithmetic number, because the mean of its divisors is an integer number (114121170).

Almost surely, 2^1232122131 is an apocalyptic number.

1232122131 is a deficient number, since it is larger than the sum of its proper divisors (593816589).

1232122131 is an equidigital number, since it uses as much as digits as its factorization.

1232122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14323 (or 14317 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1232122131 is about 35101.5972713493. The cubic root of 1232122131 is about 1072.0571050161.

Adding to 1232122131 its reverse (1312212321), we get a palindrome (2544334452).

The spelling of 1232122131 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred thirty-one".