125432240 has 20 divisors (see below), whose sum is σ = 291630144. Its totient is φ = 50172864.

The previous prime is 125432213. The next prime is 125432297. The reversal of 125432240 is 42234521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783872 + ... + 784031.

Almost surely, 2^125432240 is an apocalyptic number.

125432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125432240 is an abundant number, since it is smaller than the sum of its proper divisors (166197904).

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

125432240 is a wasteful number, since it uses less digits than its factorization.

125432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567916 (or 1567910 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 125432240 is about 11199.6535660707. The cubic root of 125432240 is about 500.5756569837.

Adding to 125432240 its reverse (42234521), we get a palindrome (167666761).

The spelling of 125432240 in words is "one hundred twenty-five million, four hundred thirty-two thousand, two hundred forty".