125032040 has 64 divisors (see below), whose sum is σ = 322479360. Its totient is φ = 42739200.

The previous prime is 125032031. The next prime is 125032043. The reversal of 125032040 is 40230521.

It is a super-2 number, since 2×125032040² = 31266022053123200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125032043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167909 + ... + 168651.

It is an arithmetic number, because the mean of its divisors is an integer number (5038740).

Almost surely, 2^125032040 is an apocalyptic number.

125032040 is a gapful number since it is divisible by the number (10) 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 125032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161239680).

125032040 is an abundant number, since it is smaller than the sum of its proper divisors (197447320).

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

125032040 is a wasteful number, since it uses less digits than its factorization.

125032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1358 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 125032040 is about 11181.7726680522. The cubic root of 125032040 is about 500.0427163505.

Adding to 125032040 its reverse (40230521), we get a palindrome (165262561).

The spelling of 125032040 in words is "one hundred twenty-five million, thirty-two thousand, forty".