126036389120 has 54 divisors (see below), whose sum is σ = 301926965298. Its totient is φ = 50409475072.

The previous prime is 126036389117. The next prime is 126036389159. The reversal of 126036389120 is 21983630621.

It can be written as a sum of positive squares in only one way, i.e., 100829111296 + 25207277824 = 317536^2 + 158768^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12696479 + ... + 12706401.

Almost surely, 2^126036389120 is an apocalyptic number.

126036389120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126036389120 is an abundant number, since it is smaller than the sum of its proper divisors (175890576178).

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

126036389120 is an frugal number, since it uses more digits than its factorization.

126036389120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 126036389120 in words is "one hundred twenty-six billion, thirty-six million, three hundred eighty-nine thousand, one hundred twenty".