121130113 has 16 divisors (see below), whose sum is σ = 137958912. Its totient is φ = 105552000.

The previous prime is 121130101. The next prime is 121130137. The reversal of 121130113 is 311031121.

It is a cyclic number.

It is not a de Polignac number, because 121130113 - 2²⁵ = 87575681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121130093 and 121130102.

It is not an unprimeable number, because it can be changed into a prime (121130153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12858 + ... + 20188.

It is an arithmetic number, because the mean of its divisors is an integer number (8622432).

Almost surely, 2^121130113 is an apocalyptic number.

121130113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121130113 is a deficient number, since it is larger than the sum of its proper divisors (16828799).

121130113 is a wasteful number, since it uses less digits than its factorization.

121130113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121130113 is about 11005.9126382141. The cubic root of 121130113 is about 494.7859673938.

Adding to 121130113 its reverse (311031121), we get a palindrome (432161234).

The spelling of 121130113 in words is "one hundred twenty-one million, one hundred thirty thousand, one hundred thirteen".