125404457 has 8 divisors (see below), whose sum is σ = 127560576. Its totient is φ = 123266592.

The previous prime is 125404453. The next prime is 125404459. The reversal of 125404457 is 754404521.

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

It is a cyclic number.

It is not a de Polignac number, because 125404457 - 2² = 125404453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125404453) 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, 9668 + ... + 18554.

It is an arithmetic number, because the mean of its divisors is an integer number (15945072).

Almost surely, 2^125404457 is an apocalyptic number.

It is an amenable number.

125404457 is a deficient number, since it is larger than the sum of its proper divisors (2156119).

125404457 is a wasteful number, since it uses less digits than its factorization.

125404457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 125404457 is about 11198.4131465132. The cubic root of 125404457 is about 500.5386954061.

Adding to 125404457 its reverse (754404521), we get a palindrome (879808978).

The spelling of 125404457 in words is "one hundred twenty-five million, four hundred four thousand, four hundred fifty-seven".