121163115 has 8 divisors (see below), whose sum is σ = 193861008. Its totient is φ = 64620320.

The previous prime is 121163101. The next prime is 121163117. The reversal of 121163115 is 511361121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121163115 - 2⁶ = 121163051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121163091 and 121163100.

It is not an unprimeable number, because it can be changed into a prime (121163117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4038756 + ... + 4038785.

It is an arithmetic number, because the mean of its divisors is an integer number (24232626).

Almost surely, 2^121163115 is an apocalyptic number.

121163115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121163115 is a deficient number, since it is larger than the sum of its proper divisors (72697893).

121163115 is an equidigital number, since it uses as much as digits as its factorization.

121163115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077549.

The product of its digits is 180, while the sum is 21.

The square root of 121163115 is about 11007.4118211322. The cubic root of 121163115 is about 494.8308982630.

It can be divided in two parts, 121163 and 115, that added together give a triangular number (121278 = T₄₉₂).

The spelling of 121163115 in words is "one hundred twenty-one million, one hundred sixty-three thousand, one hundred fifteen".