120533400 has 384 divisors, whose sum is σ = 478094400. Its totient is φ = 27648000.

The previous prime is 120533393. The next prime is 120533411. The reversal of 120533400 is 4335021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1193350 + ... + 1193450.

Almost surely, 2^120533400 is an apocalyptic number.

120533400 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 120533400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239047200).

120533400 is an abundant number, since it is smaller than the sum of its proper divisors (357561000).

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

120533400 is a wasteful number, since it uses less digits than its factorization.

120533400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 120533400 is about 10978.7704229572. The cubic root of 120533400 is about 493.9721555440.

Adding to 120533400 its reverse (4335021), we get a palindrome (124868421).

The spelling of 120533400 in words is "one hundred twenty million, five hundred thirty-three thousand, four hundred".