121300564 has 36 divisors (see below), whose sum is σ = 266668192. Its totient is φ = 47258640.

The previous prime is 121300547. The next prime is 121300601. The reversal of 121300564 is 465003121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14514 + ... + 21289.

Almost surely, 2^121300564 is an apocalyptic number.

121300564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121300564 is an abundant number, since it is smaller than the sum of its proper divisors (145367628).

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

121300564 is a wasteful number, since it uses less digits than its factorization.

121300564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35836 (or 35823 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 121300564 is about 11013.6535264189. The cubic root of 121300564 is about 495.0179417365.

Adding to 121300564 its reverse (465003121), we get a palindrome (586303685).

The spelling of 121300564 in words is "one hundred twenty-one million, three hundred thousand, five hundred sixty-four".