125368881 has 16 divisors (see below), whose sum is σ = 186236928. Its totient is φ = 74363600.

The previous prime is 125368879. The next prime is 125368907. The reversal of 125368881 is 188863521.

It is a cyclic number.

It is not a de Polignac number, because 125368881 - 2¹ = 125368879 is a prime.

It is a super-2 number, since 2×125368881² = 31434712646384322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125368801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38865 + ... + 41966.

It is an arithmetic number, because the mean of its divisors is an integer number (11639808).

Almost surely, 2^125368881 is an apocalyptic number.

125368881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125368881 is a deficient number, since it is larger than the sum of its proper divisors (60868047).

125368881 is a wasteful number, since it uses less digits than its factorization.

125368881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80892.

The product of its digits is 92160, while the sum is 42.

The square root of 125368881 is about 11196.8245945000. The cubic root of 125368881 is about 500.4913583092.

The spelling of 125368881 in words is "one hundred twenty-five million, three hundred sixty-eight thousand, eight hundred eighty-one".