126622728 has 48 divisors (see below), whose sum is σ = 357851520. Its totient is φ = 40371936.

The previous prime is 126622709. The next prime is 126622759. The reversal of 126622728 is 827226621.

126622728 is a `hidden beast` number, since 1 + 2 + 6 + 622 + 7 + 28 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 126622692 and 126622701.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36576 + ... + 39887.

It is an arithmetic number, because the mean of its divisors is an integer number (7455240).

Almost surely, 2^126622728 is an apocalyptic number.

126622728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126622728 is an abundant number, since it is smaller than the sum of its proper divisors (231228792).

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

126622728 is a wasteful number, since it uses less digits than its factorization.

126622728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76498 (or 76491 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 126622728 is about 11252.6764816198. The cubic root of 126622728 is about 502.1543416260.

The spelling of 126622728 in words is "one hundred twenty-six million, six hundred twenty-two thousand, seven hundred twenty-eight".