125120511132 has 48 divisors (see below), whose sum is σ = 302749504512. Its totient is φ = 40185633600.

The previous prime is 125120511127. The next prime is 125120511149. The reversal of 125120511132 is 231115021521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322244 + ... + 1413707.

It is an arithmetic number, because the mean of its divisors is an integer number (6307281344).

Almost surely, 2^125120511132 is an apocalyptic number.

125120511132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125120511132 is an abundant number, since it is smaller than the sum of its proper divisors (177628993380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125120511132 is a wasteful number, since it uses less digits than its factorization.

125120511132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736098 (or 2736096 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 125120511132 its reverse (231115021521), we get a palindrome (356235532653).

The spelling of 125120511132 in words is "one hundred twenty-five billion, one hundred twenty million, five hundred eleven thousand, one hundred thirty-two".