126504440 has 16 divisors (see below), whose sum is σ = 284635080. Its totient is φ = 50601760.

The previous prime is 126504431. The next prime is 126504449. The reversal of 126504440 is 44405621.

It is an interprime number because it is at equal distance from previous prime (126504431) and next prime (126504449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126504449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581266 + ... + 1581345.

Almost surely, 2^126504440 is an apocalyptic number.

126504440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126504440 is an abundant number, since it is smaller than the sum of its proper divisors (158130640).

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

126504440 is a wasteful number, since it uses less digits than its factorization.

126504440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162622 (or 3162618 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126504440 is about 11247.4192595457. The cubic root of 126504440 is about 501.9979259503.

The spelling of 126504440 in words is "one hundred twenty-six million, five hundred four thousand, four hundred forty".