120126436400 has 60 divisors (see below), whose sum is σ = 288865068000. Its totient is φ = 48007069440.

The previous prime is 120126436379. The next prime is 120126436453. The reversal of 120126436400 is 4634621021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308201 + ... + 578999.

It is an arithmetic number, because the mean of its divisors is an integer number (4814417800).

Almost surely, 2^120126436400 is an apocalyptic number.

120126436400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120126436400 is an abundant number, since it is smaller than the sum of its proper divisors (168738631600).

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

120126436400 is a wasteful number, since it uses less digits than its factorization.

120126436400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271926 (or 271915 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 120126436400 in words is "one hundred twenty billion, one hundred twenty-six million, four hundred thirty-six thousand, four hundred".