125458257 has 8 divisors (see below), whose sum is σ = 167332480. Its totient is φ = 83611440.

The previous prime is 125458253. The next prime is 125458297. The reversal of 125458257 is 752854521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125458257 - 2² = 125458253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125458253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9219 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (20916560).

Almost surely, 2^125458257 is an apocalyptic number.

It is an amenable number.

125458257 is a deficient number, since it is larger than the sum of its proper divisors (41874223).

125458257 is an equidigital number, since it uses as much as digits as its factorization.

125458257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703.

The product of its digits is 112000, while the sum is 39.

The square root of 125458257 is about 11200.8150149889. The cubic root of 125458257 is about 500.6102641855.

It can be divided in two parts, 12545 and 8257, that added together give a palindrome (20802).

The spelling of 125458257 in words is "one hundred twenty-five million, four hundred fifty-eight thousand, two hundred fifty-seven".