128070125 has 16 divisors (see below), whose sum is σ = 163555392. Its totient is φ = 100069200.

The previous prime is 128070113. The next prime is 128070149. The reversal of 128070125 is 521070821.

It is not a de Polignac number, because 128070125 - 2⁴ = 128070109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128070094 and 128070103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (10222212).

Almost surely, 2^128070125 is an apocalyptic number.

It is an amenable number.

128070125 is a deficient number, since it is larger than the sum of its proper divisors (35485267).

128070125 is an equidigital number, since it uses as much as digits as its factorization.

128070125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 128070125 is about 11316.8071910765. The cubic root of 128070125 is about 504.0604364516.

The spelling of 128070125 in words is "one hundred twenty-eight million, seventy thousand, one hundred twenty-five".