125279677 has 4 divisors (see below), whose sum is σ = 125375836. Its totient is φ = 125183520.

The previous prime is 125279659. The next prime is 125279699. The reversal of 125279677 is 776972521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776972521 = 13 ⋅59767117.

It can be written as a sum of positive squares in 2 ways, for example, as 89984196 + 35295481 = 9486^2 + 5941^2 .

It is a cyclic number.

It is not a de Polignac number, because 125279677 - 2⁷ = 125279549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125279657) 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, 46098 + ... + 48739.

It is an arithmetic number, because the mean of its divisors is an integer number (31343959).

Almost surely, 2^125279677 is an apocalyptic number.

It is an amenable number.

125279677 is a deficient number, since it is larger than the sum of its proper divisors (96159).

125279677 is an equidigital number, since it uses as much as digits as its factorization.

125279677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96158.

The product of its digits is 370440, while the sum is 46.

The square root of 125279677 is about 11192.8404348494. The cubic root of 125279677 is about 500.3726248991.

The spelling of 125279677 in words is "one hundred twenty-five million, two hundred seventy-nine thousand, six hundred seventy-seven".