125256001 has 8 divisors (see below), whose sum is σ = 136599680. Its totient is φ = 114156432.

The previous prime is 125255957. The next prime is 125256007. The reversal of 125256001 is 100652521.

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

It is not a de Polignac number, because 125256001 - 2¹⁷ = 125124929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125256007) 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 7 ways as a sum of consecutive naturals, for example, 59955 + ... + 62008.

It is an arithmetic number, because the mean of its divisors is an integer number (17074960).

Almost surely, 2^125256001 is an apocalyptic number.

It is an amenable number.

125256001 is a deficient number, since it is larger than the sum of its proper divisors (11343679).

125256001 is a wasteful number, since it uses less digits than its factorization.

125256001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122055.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125256001 is about 11191.7827444961. The cubic root of 125256001 is about 500.3411019127.

The spelling of 125256001 in words is "one hundred twenty-five million, two hundred fifty-six thousand, one".