126020784 has 20 divisors (see below), whose sum is σ = 325553816. Its totient is φ = 42006912.

The previous prime is 126020777. The next prime is 126020819. The reversal of 126020784 is 487020621.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312669 + ... + 1312764.

Almost surely, 2^126020784 is an apocalyptic number.

It is an amenable number.

126020784 is an abundant number, since it is smaller than the sum of its proper divisors (199533032).

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

126020784 is a wasteful number, since it uses less digits than its factorization.

126020784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625444 (or 2625438 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 126020784 is about 11225.8979150890. The cubic root of 126020784 is about 501.3573571620.

The spelling of 126020784 in words is "one hundred twenty-six million, twenty thousand, seven hundred eighty-four".