125286408 has 48 divisors (see below), whose sum is σ = 365421420. Its totient is φ = 38549376.

The previous prime is 125286367. The next prime is 125286487. The reversal of 125286408 is 804682521.

125286408 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 8 + 640 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124947684 + 338724 = 11178^2 + 582^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 65991 + ... + 67862.

Almost surely, 2^125286408 is an apocalyptic number.

125286408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125286408 is an abundant number, since it is smaller than the sum of its proper divisors (240135012).

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

125286408 is a wasteful number, since it uses less digits than its factorization.

125286408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133878 (or 133871 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 125286408 is about 11193.1411140930. The cubic root of 125286408 is about 500.3815860434.

The spelling of 125286408 in words is "one hundred twenty-five million, two hundred eighty-six thousand, four hundred eight".