125576506 has 16 divisors (see below), whose sum is σ = 205714080. Its totient is φ = 57017680.

The previous prime is 125576489. The next prime is 125576509. The reversal of 125576506 is 605675521.

It is not an unprimeable number, because it can be changed into a prime (125576509) 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, 21825 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (12857130).

Almost surely, 2^125576506 is an apocalyptic number.

125576506 is a deficient number, since it is larger than the sum of its proper divisors (80137574).

125576506 is a wasteful number, since it uses less digits than its factorization.

125576506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 125576506 is about 11206.0923608544. The cubic root of 125576506 is about 500.7674959638.

The spelling of 125576506 in words is "one hundred twenty-five million, five hundred seventy-six thousand, five hundred six".