125026389 has 8 divisors (see below), whose sum is σ = 185224320. Its totient is φ = 83350908.

The previous prime is 125026373. The next prime is 125026411. The reversal of 125026389 is 983620521.

125026389 is a `hidden beast` number, since 1 + 250 + 26 + 389 = 666.

It is not a de Polignac number, because 125026389 - 2⁴ = 125026373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125026189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315277 + ... + 2315330.

It is an arithmetic number, because the mean of its divisors is an integer number (23153040).

Almost surely, 2^125026389 is an apocalyptic number.

It is an amenable number.

125026389 is a deficient number, since it is larger than the sum of its proper divisors (60197931).

125026389 is an equidigital number, since it uses as much as digits as its factorization.

125026389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630616 (or 4630610 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 125026389 is about 11181.5199771766. The cubic root of 125026389 is about 500.0351828576.

The spelling of 125026389 in words is "one hundred twenty-five million, twenty-six thousand, three hundred eighty-nine".