125659020 has 24 divisors (see below), whose sum is σ = 351845424. Its totient is φ = 33509056.

The previous prime is 125659013. The next prime is 125659057. The reversal of 125659020 is 20956521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047099 + ... + 1047218.

It is an arithmetic number, because the mean of its divisors is an integer number (14660226).

Almost surely, 2^125659020 is an apocalyptic number.

125659020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125659020 is an abundant number, since it is smaller than the sum of its proper divisors (226186404).

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

125659020 is a wasteful number, since it uses less digits than its factorization.

125659020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094329 (or 2094327 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 125659020 is about 11209.7734143024. The cubic root of 125659020 is about 500.8771536365.

The spelling of 125659020 in words is "one hundred twenty-five million, six hundred fifty-nine thousand, twenty".