126625040 has 20 divisors (see below), whose sum is σ = 294403404. Its totient is φ = 50649984.

The previous prime is 126625039. The next prime is 126625091. The reversal of 126625040 is 40526621.

It can be written as a sum of positive squares in 2 ways, for example, as 75759616 + 50865424 = 8704^2 + 7132^2 .

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, 791327 + ... + 791486.

Almost surely, 2^126625040 is an apocalyptic number.

126625040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126625040 is an abundant number, since it is smaller than the sum of its proper divisors (167778364).

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

126625040 is a wasteful number, since it uses less digits than its factorization.

126625040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582826 (or 1582820 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 126625040 is about 11252.7792122657. The cubic root of 126625040 is about 502.1573978803.

The spelling of 126625040 in words is "one hundred twenty-six million, six hundred twenty-five thousand, forty".