126623040 has 56 divisors (see below), whose sum is σ = 402031200. Its totient is φ = 33765888.

The previous prime is 126623039. The next prime is 126623053. The reversal of 126623040 is 40326621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 126623040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64990 + ... + 66909.

Almost surely, 2^126623040 is an apocalyptic number.

126623040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126623040 is an abundant number, since it is smaller than the sum of its proper divisors (275408160).

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

126623040 is a wasteful number, since it uses less digits than its factorization.

126623040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131919 (or 131909 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 126623040 is about 11252.6903449797. The cubic root of 126623040 is about 502.1547540639.

Adding to 126623040 its reverse (40326621), we get a palindrome (166949661).

The spelling of 126623040 in words is "one hundred twenty-six million, six hundred twenty-three thousand, forty".