125656254 has 12 divisors (see below), whose sum is σ = 272255256. Its totient is φ = 41885412.

The previous prime is 125656249. The next prime is 125656261. The reversal of 125656254 is 452656521.

125656254 is a `hidden beast` number, since 1 + 25 + 6 + 5 + 625 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3490434 + ... + 3490469.

It is an arithmetic number, because the mean of its divisors is an integer number (22687938).

Almost surely, 2^125656254 is an apocalyptic number.

125656254 is an abundant number, since it is smaller than the sum of its proper divisors (146599002).

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

125656254 is a wasteful number, since it uses less digits than its factorization.

125656254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980911 (or 6980908 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 125656254 is about 11209.6500391404. The cubic root of 125656254 is about 500.8734785153.

The spelling of 125656254 in words is "one hundred twenty-five million, six hundred fifty-six thousand, two hundred fifty-four".