125884799 has 4 divisors (see below), whose sum is σ = 125907864. Its totient is φ = 125861736.

The previous prime is 125884789. The next prime is 125884807. The reversal of 125884799 is 997488521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125884799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125884799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125884739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 15965.

It is an arithmetic number, because the mean of its divisors is an integer number (31476966).

Almost surely, 2^125884799 is an apocalyptic number.

125884799 is a deficient number, since it is larger than the sum of its proper divisors (23065).

125884799 is an equidigital number, since it uses as much as digits as its factorization.

125884799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064.

The product of its digits is 1451520, while the sum is 53.

The square root of 125884799 is about 11219.8395264817. The cubic root of 125884799 is about 501.1769593595.

The spelling of 125884799 in words is "one hundred twenty-five million, eight hundred eighty-four thousand, seven hundred ninety-nine".