121453300 has 18 divisors (see below), whose sum is σ = 263553878. Its totient is φ = 48581280.

The previous prime is 121453291. The next prime is 121453303. The reversal of 121453300 is 3354121.

It can be written as a sum of positive squares in 3 ways, for example, as 4553956 + 116899344 = 2134^2 + 10812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121453303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 607167 + ... + 607366.

Almost surely, 2^121453300 is an apocalyptic number.

121453300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121453300 is an abundant number, since it is smaller than the sum of its proper divisors (142100578).

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

121453300 is a wasteful number, since it uses less digits than its factorization.

121453300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214547 (or 1214540 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 121453300 is about 11020.5852839130. The cubic root of 121453300 is about 495.2256224112.

The spelling of 121453300 in words is "one hundred twenty-one million, four hundred fifty-three thousand, three hundred".