125660877 has 4 divisors (see below), whose sum is σ = 167547840. Its totient is φ = 83773916.

The previous prime is 125660837. The next prime is 125660893. The reversal of 125660877 is 778066521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778066521 = 3 ⋅259355507.

It is a cyclic number.

It is not a de Polignac number, because 125660877 - 2¹⁸ = 125398733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125660807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20943477 + ... + 20943482.

It is an arithmetic number, because the mean of its divisors is an integer number (41886960).

Almost surely, 2^125660877 is an apocalyptic number.

It is an amenable number.

125660877 is a deficient number, since it is larger than the sum of its proper divisors (41886963).

125660877 is an equidigital number, since it uses as much as digits as its factorization.

125660877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41886962.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 125660877 is about 11209.8562435029. The cubic root of 125660877 is about 500.8796209598.

The spelling of 125660877 in words is "one hundred twenty-five million, six hundred sixty thousand, eight hundred seventy-seven".