125382817 has 24 divisors (see below), whose sum is σ = 151683840. Its totient is φ = 103229280.

The previous prime is 125382799. The next prime is 125382839. The reversal of 125382817 is 718283521.

It is not a de Polignac number, because 125382817 - 2²³ = 116994209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125382857) 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 23 ways as a sum of consecutive naturals, for example, 299034 + ... + 299452.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^125382817 is an apocalyptic number.

It is an amenable number.

125382817 is a deficient number, since it is larger than the sum of its proper divisors (26301023).

125382817 is a wasteful number, since it uses less digits than its factorization.

125382817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 654 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 125382817 is about 11197.4468965028. The cubic root of 125382817 is about 500.5099024888.

The spelling of 125382817 in words is "one hundred twenty-five million, three hundred eighty-two thousand, eight hundred seventeen".