125355240 has 48 divisors (see below), whose sum is σ = 407405700. Its totient is φ = 33427968.

The previous prime is 125355239. The next prime is 125355259. The reversal of 125355240 is 42553521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124679556 + 675684 = 11166^2 + 822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173745 + ... + 174464.

Almost surely, 2^125355240 is an apocalyptic number.

125355240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125355240 is an abundant number, since it is smaller than the sum of its proper divisors (282050460).

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

125355240 is a wasteful number, since it uses less digits than its factorization.

125355240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348226 (or 348219 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 125355240 is about 11196.2154320109. The cubic root of 125355240 is about 500.4732053455.

The spelling of 125355240 in words is "one hundred twenty-five million, three hundred fifty-five thousand, two hundred forty".