125469640 has 32 divisors (see below), whose sum is σ = 282672000. Its totient is φ = 50122944.

The previous prime is 125469613. The next prime is 125469677. The reversal of 125469640 is 46964521.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125469640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40051 + ... + 43069.

It is an arithmetic number, because the mean of its divisors is an integer number (8833500).

Almost surely, 2^125469640 is an apocalyptic number.

125469640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125469640 is an abundant number, since it is smaller than the sum of its proper divisors (157202360).

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

125469640 is a wasteful number, since it uses less digits than its factorization.

125469640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 125469640 is about 11201.3231361299. The cubic root of 125469640 is about 500.6254040800.

The spelling of 125469640 in words is "one hundred twenty-five million, four hundred sixty-nine thousand, six hundred forty".