125879401 has 16 divisors (see below), whose sum is σ = 132969600. Its totient is φ = 119004928.

The previous prime is 125879393. The next prime is 125879449. The reversal of 125879401 is 104978521.

It is a cyclic number.

It is not a de Polignac number, because 125879401 - 2³ = 125879393 is a prime.

It is a super-2 number, since 2×125879401² = 31691247192237602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125879701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350460 + ... + 350818.

It is an arithmetic number, because the mean of its divisors is an integer number (8310600).

Almost surely, 2^125879401 is an apocalyptic number.

It is an amenable number.

125879401 is a deficient number, since it is larger than the sum of its proper divisors (7090199).

125879401 is a wasteful number, since it uses less digits than its factorization.

125879401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 125879401 is about 11219.5989678776. The cubic root of 125879401 is about 501.1697956884.

The spelling of 125879401 in words is "one hundred twenty-five million, eight hundred seventy-nine thousand, four hundred one".