125445570 has 32 divisors (see below), whose sum is σ = 301632768. Its totient is φ = 33389568.

The previous prime is 125445521. The next prime is 125445571. The reversal of 125445570 is 75544521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125445571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13687 + ... + 20933.

It is an arithmetic number, because the mean of its divisors is an integer number (9426024).

Almost surely, 2^125445570 is an apocalyptic number.

125445570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125445570 is an abundant number, since it is smaller than the sum of its proper divisors (176187198).

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

125445570 is a wasteful number, since it uses less digits than its factorization.

125445570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7834.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 125445570 is about 11200.2486579540. The cubic root of 125445570 is about 500.5933888341.

The spelling of 125445570 in words is "one hundred twenty-five million, four hundred forty-five thousand, five hundred seventy".