125021232 has 100 divisors (see below), whose sum is σ = 413570256. Its totient is φ = 35717760.

The previous prime is 125021231. The next prime is 125021257. The reversal of 125021232 is 232120521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (125021231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2182 + ... + 15962.

Almost surely, 2^125021232 is an apocalyptic number.

125021232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206785128).

125021232 is an abundant number, since it is smaller than the sum of its proper divisors (288549024).

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

125021232 is a wasteful number, since it uses less digits than its factorization.

125021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125021232 is about 11181.2893710878. The cubic root of 125021232 is about 500.0283077306.

Adding to 125021232 its reverse (232120521), we get a palindrome (357141753).

The spelling of 125021232 in words is "one hundred twenty-five million, twenty-one thousand, two hundred thirty-two".