126234440 has 32 divisors (see below), whose sum is σ = 285077880. Its totient is φ = 50307072.

The previous prime is 126234413. The next prime is 126234457. The reversal of 126234440 is 44432621.

It can be written as a sum of positive squares in 4 ways, for example, as 95609284 + 30625156 = 9778^2 + 5534^2 .

It is a super-2 number, since 2×126234440² = 31870267684227200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5384 + ... + 16776.

Almost surely, 2^126234440 is an apocalyptic number.

126234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126234440 is an abundant number, since it is smaller than the sum of its proper divisors (158843440).

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

126234440 is a wasteful number, since it uses less digits than its factorization.

126234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 126234440 is about 11235.4100948742. The cubic root of 126234440 is about 501.6405314263.

The spelling of 126234440 in words is "one hundred twenty-six million, two hundred thirty-four thousand, four hundred forty".