121303113 has 4 divisors (see below), whose sum is σ = 161737488. Its totient is φ = 80868740.

The previous prime is 121303033. The next prime is 121303141. The reversal of 121303113 is 311303121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121303113 - 2¹⁷ = 121172041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121303092 and 121303101.

It is not an unprimeable number, because it can be changed into a prime (121303153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20217183 + ... + 20217188.

It is an arithmetic number, because the mean of its divisors is an integer number (40434372).

Almost surely, 2^121303113 is an apocalyptic number.

It is an amenable number.

121303113 is a deficient number, since it is larger than the sum of its proper divisors (40434375).

121303113 is an equidigital number, since it uses as much as digits as its factorization.

121303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434374.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 121303113 is about 11013.7692458123. The cubic root of 121303113 is about 495.0214091342.

Adding to 121303113 its reverse (311303121), we get a palindrome (432606234).

The spelling of 121303113 in words is "one hundred twenty-one million, three hundred three thousand, one hundred thirteen".