125506766 has 48 divisors (see below), whose sum is σ = 242132352. Its totient is φ = 47733840.

The previous prime is 125506757. The next prime is 125506813. The reversal of 125506766 is 667605521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71981 + ... + 73703.

It is an arithmetic number, because the mean of its divisors is an integer number (5044424).

Almost surely, 2^125506766 is an apocalyptic number.

125506766 is a deficient number, since it is larger than the sum of its proper divisors (116625586).

125506766 is a wasteful number, since it uses less digits than its factorization.

125506766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 125506766 is about 11202.9802284928. The cubic root of 125506766 is about 500.6747769425.

The spelling of 125506766 in words is "one hundred twenty-five million, five hundred six thousand, seven hundred sixty-six".