125707506 has 8 divisors (see below), whose sum is σ = 251415024. Its totient is φ = 41902500.

The previous prime is 125707499. The next prime is 125707513. The reversal of 125707506 is 605707521.

It is an interprime number because it is at equal distance from previous prime (125707499) and next prime (125707513).

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

125707506 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10475620 + ... + 10475631.

It is an arithmetic number, because the mean of its divisors is an integer number (31426878).

Almost surely, 2^125707506 is an apocalyptic number.

125707506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125707506 is a wasteful number, since it uses less digits than its factorization.

125707506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951256.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 125707506 is about 11211.9358720963. The cubic root of 125707506 is about 500.9415671230.

The spelling of 125707506 in words is "one hundred twenty-five million, seven hundred seven thousand, five hundred six".