125425590 has 32 divisors (see below), whose sum is σ = 302352480. Its totient is φ = 33298944.

The previous prime is 125425571. The next prime is 125425603. The reversal of 125425590 is 95524521.

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 15 ways as a sum of consecutive naturals, for example, 2259 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (9448515).

Almost surely, 2^125425590 is an apocalyptic number.

125425590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125425590 is an abundant number, since it is smaller than the sum of its proper divisors (176926890).

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

125425590 is a wasteful number, since it uses less digits than its factorization.

125425590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 125425590 is about 11199.3566779525. The cubic root of 125425590 is about 500.5668105421.

The spelling of 125425590 in words is "one hundred twenty-five million, four hundred twenty-five thousand, five hundred ninety".