125577361 has 16 divisors (see below), whose sum is σ = 154962304. Its totient is φ = 99097344.

The previous prime is 125577359. The next prime is 125577367. The reversal of 125577361 is 163775521.

It is a cyclic number.

It is not a de Polignac number, because 125577361 - 2¹ = 125577359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125577361.

It is not an unprimeable number, because it can be changed into a prime (125577367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37810 + ... + 40996.

It is an arithmetic number, because the mean of its divisors is an integer number (9685144).

Almost surely, 2^125577361 is an apocalyptic number.

It is an amenable number.

125577361 is a deficient number, since it is larger than the sum of its proper divisors (29384943).

125577361 is a wasteful number, since it uses less digits than its factorization.

125577361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 44100, while the sum is 37.

The square root of 125577361 is about 11206.1305096809. The cubic root of 125577361 is about 500.7686324694.

The spelling of 125577361 in words is "one hundred twenty-five million, five hundred seventy-seven thousand, three hundred sixty-one".