125238040 has 32 divisors (see below), whose sum is σ = 282138480. Its totient is φ = 50032512.

The previous prime is 125238023. The next prime is 125238049. The reversal of 125238040 is 40832521.

It is a junction number, because it is equal to n+sod(n) for n = 125237996 and 125238014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125238049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43279 + ... + 46081.

Almost surely, 2^125238040 is an apocalyptic number.

125238040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125238040 is an abundant number, since it is smaller than the sum of its proper divisors (156900440).

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

125238040 is a wasteful number, since it uses less digits than its factorization.

125238040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 125238040 is about 11190.9802966496. The cubic root of 125238040 is about 500.3171854109.

The spelling of 125238040 in words is "one hundred twenty-five million, two hundred thirty-eight thousand, forty".