126990108720 has 280 divisors, whose sum is σ = 456961859712. Its totient is φ = 32771174400.

The previous prime is 126990108697. The next prime is 126990108769. The reversal of 126990108720 is 27801099621.

It is a super-2 number, since 2×126990108720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1772800 + ... + 1843040.

Almost surely, 2^126990108720 is an apocalyptic number.

126990108720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126990108720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228480929856).

126990108720 is an abundant number, since it is smaller than the sum of its proper divisors (329971750992).

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

126990108720 is an equidigital number, since it uses as much as digits as its factorization.

126990108720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70303 (or 70282 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 126990108720 in words is "one hundred twenty-six billion, nine hundred ninety million, one hundred eight thousand, seven hundred twenty".