120300400 has 120 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 41414400.

The previous prime is 120300377. The next prime is 120300403. The reversal of 120300400 is 4003021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120300403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82881 + ... + 84319.

It is an arithmetic number, because the mean of its divisors is an integer number (2767680).

Almost surely, 2^120300400 is an apocalyptic number.

120300400 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 120300400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166060800).

120300400 is an abundant number, since it is smaller than the sum of its proper divisors (211821200).

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

120300400 is a wasteful number, since it uses less digits than its factorization.

120300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 120300400 is about 10968.1539011814. The cubic root of 120300400 is about 493.6536552923.

Adding to 120300400 its reverse (4003021), we get a palindrome (124303421).

The spelling of 120300400 in words is "one hundred twenty million, three hundred thousand, four hundred".