125916020 has 12 divisors (see below), whose sum is σ = 264423684. Its totient is φ = 50366400.

The previous prime is 125916001. The next prime is 125916023. The reversal of 125916020 is 20619521.

It can be written as a sum of positive squares in 2 ways, for example, as 18627856 + 107288164 = 4316^2 + 10358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125916023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147881 + ... + 3147920.

It is an arithmetic number, because the mean of its divisors is an integer number (22035307).

Almost surely, 2^125916020 is an apocalyptic number.

125916020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125916020 is an abundant number, since it is smaller than the sum of its proper divisors (138507664).

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

125916020 is a wasteful number, since it uses less digits than its factorization.

125916020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295810 (or 6295808 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 125916020 is about 11221.2307702854. The cubic root of 125916020 is about 501.2183886467.

The spelling of 125916020 in words is "one hundred twenty-five million, nine hundred sixteen thousand, twenty".