126454428 has 18 divisors (see below), whose sum is σ = 319648784. Its totient is φ = 42151464.

The previous prime is 126454417. The next prime is 126454441. The reversal of 126454428 is 824454621.

126454428 is a `hidden beast` number, since 1 + 2 + 645 + 4 + 4 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3512623 = 126454428 / (1 + 2 + 6 + 4 + 5 + 4 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 126454392 and 126454401.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1756276 + ... + 1756347.

Almost surely, 2^126454428 is an apocalyptic number.

126454428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

126454428 is an abundant number, since it is smaller than the sum of its proper divisors (193194356).

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

126454428 is a wasteful number, since it uses less digits than its factorization.

126454428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512633 (or 3512628 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 126454428 is about 11245.1957741962. The cubic root of 126454428 is about 501.9317642950.

The spelling of 126454428 in words is "one hundred twenty-six million, four hundred fifty-four thousand, four hundred twenty-eight".