125422121532 has 24 divisors (see below), whose sum is σ = 299457469696. Its totient is φ = 40835109168.

The previous prime is 125422121509. The next prime is 125422121543. The reversal of 125422121532 is 235121224521.

It is a self number, because there is not a number n which added to its sum of digits gives 125422121532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121532548 + ... + 121533579.

Almost surely, 2^125422121532 is an apocalyptic number.

125422121532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125422121532 is an abundant number, since it is smaller than the sum of its proper divisors (174035348164).

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

125422121532 is a wasteful number, since it uses less digits than its factorization.

125422121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243066177 (or 243066175 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The spelling of 125422121532 in words is "one hundred twenty-five billion, four hundred twenty-two million, one hundred twenty-one thousand, five hundred thirty-two".