125889040 has 20 divisors (see below), whose sum is σ = 292692204. Its totient is φ = 50355584.

The previous prime is 125889017. The next prime is 125889053. The reversal of 125889040 is 40988521.

It can be written as a sum of positive squares in 2 ways, for example, as 27164944 + 98724096 = 5212^2 + 9936^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786727 + ... + 786886.

Almost surely, 2^125889040 is an apocalyptic number.

125889040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125889040 is an abundant number, since it is smaller than the sum of its proper divisors (166803164).

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

125889040 is a wasteful number, since it uses less digits than its factorization.

125889040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573626 (or 1573620 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 125889040 is about 11220.0285204629. The cubic root of 125889040 is about 501.1825874354.

The spelling of 125889040 in words is "one hundred twenty-five million, eight hundred eighty-nine thousand, forty".