126604140 has 144 divisors (see below), whose sum is σ = 397426848. Its totient is φ = 29933568.

The previous prime is 126604139. The next prime is 126604157. The reversal of 126604140 is 41406621.

It is a self number, because there is not a number n which added to its sum of digits gives 126604140.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 655884 + ... + 656076.

Almost surely, 2^126604140 is an apocalyptic number.

126604140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126604140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198713424).

126604140 is an abundant number, since it is smaller than the sum of its proper divisors (270822708).

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

126604140 is a wasteful number, since it uses less digits than its factorization.

126604140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 126604140 is about 11251.8505144709. The cubic root of 126604140 is about 502.1297686240.

The spelling of 126604140 in words is "one hundred twenty-six million, six hundred four thousand, one hundred forty".