125232232521 has 32 divisors (see below), whose sum is σ = 198083795328. Its totient is φ = 69503063040.

The previous prime is 125232232469. The next prime is 125232232537.

It is a happy number.

125232232521 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 125232232521 - 2¹⁵ = 125232199753 is a prime.

It is a super-2 number, since 2×125232232521² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125232233521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2995870 + ... + 3037383.

It is an arithmetic number, because the mean of its divisors is an integer number (6190118604).

Almost surely, 2^125232232521 is an apocalyptic number.

125232232521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125232232521 is a deficient number, since it is larger than the sum of its proper divisors (72851562807).

125232232521 is a wasteful number, since it uses less digits than its factorization.

125232232521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033321.

The product of its digits is 14400, while the sum is 30.

It can be divided in two parts, 125232 and 232521, that added together give a palindrome (357753).

The spelling of 125232232521 in words is "one hundred twenty-five billion, two hundred thirty-two million, two hundred thirty-two thousand, five hundred twenty-one".