125014640 has 40 divisors (see below), whose sum is σ = 291127200. Its totient is φ = 49925376.

The previous prime is 125014633. The next prime is 125014649. The reversal of 125014640 is 46410521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125014649) 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, 88661 + ... + 90059.

It is an arithmetic number, because the mean of its divisors is an integer number (7278180).

Almost surely, 2^125014640 is an apocalyptic number.

125014640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125014640 is an abundant number, since it is smaller than the sum of its proper divisors (166112560).

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

125014640 is a wasteful number, since it uses less digits than its factorization.

125014640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 125014640 is about 11180.9945890337. The cubic root of 125014640 is about 500.0195192380.

The spelling of 125014640 in words is "one hundred twenty-five million, fourteen thousand, six hundred forty".