125802457 has 8 divisors (see below), whose sum is σ = 137388672. Its totient is φ = 114241200.

The previous prime is 125802451. The next prime is 125802461. The reversal of 125802457 is 754208521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125802457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125802451) 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, 5232 + ... + 16702.

It is an arithmetic number, because the mean of its divisors is an integer number (17173584).

Almost surely, 2^125802457 is an apocalyptic number.

It is an amenable number.

125802457 is a deficient number, since it is larger than the sum of its proper divisors (11586215).

125802457 is a wasteful number, since it uses less digits than its factorization.

125802457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 125802457 is about 11216.1694441552. The cubic root of 125802457 is about 501.0676612429.

The spelling of 125802457 in words is "one hundred twenty-five million, eight hundred two thousand, four hundred fifty-seven".