125053020 has 72 divisors (see below), whose sum is σ = 401650704. Its totient is φ = 31385088.

The previous prime is 125052953. The next prime is 125053031. The reversal of 125053020 is 20350521.

It is a happy number.

It is a super-2 number, since 2×125053020² = 31276515622240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125052984 and 125053002.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17374 + ... + 23493.

It is an arithmetic number, because the mean of its divisors is an integer number (5578482).

Almost surely, 2^125053020 is an apocalyptic number.

125053020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125053020 is an abundant number, since it is smaller than the sum of its proper divisors (276597684).

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

125053020 is a wasteful number, since it uses less digits than its factorization.

125053020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40899 (or 40894 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 125053020 is about 11182.7107626013. The cubic root of 125053020 is about 500.0706833406.

The spelling of 125053020 in words is "one hundred twenty-five million, fifty-three thousand, twenty".