120126400 has 42 divisors (see below), whose sum is σ = 295589960. Its totient is φ = 48049920.

The previous prime is 120126371. The next prime is 120126421. The reversal of 120126400 is 4621021.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 35940 + ... + 39139.

Almost surely, 2^120126400 is an apocalyptic number.

120126400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120126400 is an abundant number, since it is smaller than the sum of its proper divisors (175463560).

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

120126400 is an equidigital number, since it uses as much as digits as its factorization.

120126400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75101 (or 75086 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120126400 is about 10960.2189759147. The cubic root of 120126400 is about 493.4155369875.

Adding to 120126400 its reverse (4621021), we get a palindrome (124747421).

The spelling of 120126400 in words is "one hundred twenty million, one hundred twenty-six thousand, four hundred".