125256280 has 32 divisors (see below), whose sum is σ = 282194640. Its totient is φ = 50037120.

The previous prime is 125256277. The next prime is 125256281. The reversal of 125256280 is 82652521.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125256281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39307 + ... + 42373.

Almost surely, 2^125256280 is an apocalyptic number.

125256280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125256280 is an abundant number, since it is smaller than the sum of its proper divisors (156938360).

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

125256280 is a wasteful number, since it uses less digits than its factorization.

125256280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 125256280 is about 11191.7952089913. The cubic root of 125256280 is about 500.3414734054.

The spelling of 125256280 in words is "one hundred twenty-five million, two hundred fifty-six thousand, two hundred eighty".