126655728 has 40 divisors (see below), whose sum is σ = 332085888. Its totient is φ = 41587392.

The previous prime is 126655679. The next prime is 126655751. The reversal of 126655728 is 827556621.

It is a self number, because there is not a number n which added to its sum of digits gives 126655728.

It is a congruent number.

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, 16476 + ... + 22907.

Almost surely, 2^126655728 is an apocalyptic number.

It is an amenable number.

126655728 is an abundant number, since it is smaller than the sum of its proper divisors (205430160).

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

126655728 is a wasteful number, since it uses less digits than its factorization.

126655728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39461 (or 39455 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 126655728 is about 11254.1427039113. The cubic root of 126655728 is about 502.1979611094.

The spelling of 126655728 in words is "one hundred twenty-six million, six hundred fifty-five thousand, seven hundred twenty-eight".