125251023 has 8 divisors (see below), whose sum is σ = 171074736. Its totient is φ = 81464000.

The previous prime is 125251013. The next prime is 125251079. The reversal of 125251023 is 320152521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125251023 - 2⁸ = 125250767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125251013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509028 + ... + 509273.

It is an arithmetic number, because the mean of its divisors is an integer number (21384342).

Almost surely, 2^125251023 is an apocalyptic number.

125251023 is a deficient number, since it is larger than the sum of its proper divisors (45823713).

125251023 is a wasteful number, since it uses less digits than its factorization.

125251023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018345.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125251023 is about 11191.5603469758. The cubic root of 125251023 is about 500.3344735383.

The spelling of 125251023 in words is "one hundred twenty-five million, two hundred fifty-one thousand, twenty-three".