125438827 has 4 divisors (see below), whose sum is σ = 125462016. Its totient is φ = 125415640.

The previous prime is 125438821. The next prime is 125438837. The reversal of 125438827 is 728834521.

It is a happy number.

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-125438827 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 125438827.

It is not an unprimeable number, because it can be changed into a prime (125438821) 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, 1302 + ... + 15892.

It is an arithmetic number, because the mean of its divisors is an integer number (31365504).

Almost surely, 2^125438827 is an apocalyptic number.

125438827 is a deficient number, since it is larger than the sum of its proper divisors (23189).

125438827 is an equidigital number, since it uses as much as digits as its factorization.

125438827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23188.

The product of its digits is 107520, while the sum is 40.

The square root of 125438827 is about 11199.9476338062. The cubic root of 125438827 is about 500.5844193087.

The spelling of 125438827 in words is "one hundred twenty-five million, four hundred thirty-eight thousand, eight hundred twenty-seven".