125285879 has 8 divisors (see below), whose sum is σ = 129275328. Its totient is φ = 121351680.

The previous prime is 125285857. The next prime is 125285891. The reversal of 125285879 is 978582521.

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 125285879 - 2²⁴ = 108508663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125282879) 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, 9182 + ... + 18299.

It is an arithmetic number, because the mean of its divisors is an integer number (16159416).

Almost surely, 2^125285879 is an apocalyptic number.

125285879 is a deficient number, since it is larger than the sum of its proper divisors (3989449).

125285879 is an equidigital number, since it uses as much as digits as its factorization.

125285879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27625.

The product of its digits is 403200, while the sum is 47.

The square root of 125285879 is about 11193.1174835253. The cubic root of 125285879 is about 500.3808817845.

The spelling of 125285879 in words is "one hundred twenty-five million, two hundred eighty-five thousand, eight hundred seventy-nine".