121325200 has 30 divisors (see below), whose sum is σ = 291484754. Its totient is φ = 48529920.

The previous prime is 121325179. The next prime is 121325219. The reversal of 121325200 is 2523121.

It can be written as a sum of positive squares in 3 ways, for example, as 25441936 + 95883264 = 5044^2 + 9792^2 .

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

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 5 ways as a sum of consecutive naturals, for example, 151257 + ... + 152056.

Almost surely, 2^121325200 is an apocalyptic number.

121325200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121325200 is an abundant number, since it is smaller than the sum of its proper divisors (170159554).

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

121325200 is a wasteful number, since it uses less digits than its factorization.

121325200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303331 (or 303320 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121325200 is about 11014.7718995901. The cubic root of 121325200 is about 495.0514519860.

Adding to 121325200 its reverse (2523121), we get a palindrome (123848321).

The spelling of 121325200 in words is "one hundred twenty-one million, three hundred twenty-five thousand, two hundred".