120289800 has 48 divisors (see below), whose sum is σ = 372900240. Its totient is φ = 32077120.

The previous prime is 120289787. The next prime is 120289811. The reversal of 120289800 is 8982021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99642 + ... + 100841.

It is an arithmetic number, because the mean of its divisors is an integer number (7768755).

Almost surely, 2^120289800 is an apocalyptic number.

120289800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120289800 is an abundant number, since it is smaller than the sum of its proper divisors (252610440).

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

120289800 is a wasteful number, since it uses less digits than its factorization.

120289800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200502 (or 200493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 120289800 is about 10967.6706733928. The cubic root of 120289800 is about 493.6391558048.

The spelling of 120289800 in words is "one hundred twenty million, two hundred eighty-nine thousand, eight hundred".