120643300 has 18 divisors (see below), whose sum is σ = 261796178. Its totient is φ = 48257280.

The previous prime is 120643297. The next prime is 120643301. The reversal of 120643300 is 3346021.

It can be written as a sum of positive squares in 3 ways, for example, as 13147876 + 107495424 = 3626^2 + 10368^2 .

It is not an unprimeable number, because it can be changed into a prime (120643301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603117 + ... + 603316.

Almost surely, 2^120643300 is an apocalyptic number.

120643300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120643300 is an abundant number, since it is smaller than the sum of its proper divisors (141152878).

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

120643300 is a wasteful number, since it uses less digits than its factorization.

120643300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206447 (or 1206440 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 120643300 is about 10983.7743968091. The cubic root of 120643300 is about 494.1222413261.

Adding to 120643300 its reverse (3346021), we get a palindrome (123989321).

The spelling of 120643300 in words is "one hundred twenty million, six hundred forty-three thousand, three hundred".