121300113 has 32 divisors (see below), whose sum is σ = 180191232. Its totient is φ = 71971200.

The previous prime is 121300079. The next prime is 121300129. The reversal of 121300113 is 311003121.

It is not a de Polignac number, because 121300113 - 2²¹ = 119202961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121300913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431533 + ... + 431813.

It is an arithmetic number, because the mean of its divisors is an integer number (5630976).

Almost surely, 2^121300113 is an apocalyptic number.

It is an amenable number.

121300113 is a deficient number, since it is larger than the sum of its proper divisors (58891119).

121300113 is a wasteful number, since it uses less digits than its factorization.

121300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 121300113 is about 11013.6330518136. The cubic root of 121300113 is about 495.0173282374.

Adding to 121300113 its reverse (311003121), we get a palindrome (432303234).

The spelling of 121300113 in words is "one hundred twenty-one million, three hundred thousand, one hundred thirteen".