121163123 has 8 divisors (see below), whose sum is σ = 125649888. Its totient is φ = 116740224.

The previous prime is 121163117. The next prime is 121163153. The reversal of 121163123 is 321361121.

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

It is a cyclic number.

It is not a de Polignac number, because 121163123 - 2⁶ = 121163059 is a prime.

It is a super-2 number, since 2×121163123² = 29361004750226258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121163095 and 121163104.

It is not an unprimeable number, because it can be changed into a prime (121163153) 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, 12086 + ... + 19707.

It is an arithmetic number, because the mean of its divisors is an integer number (15706236).

Almost surely, 2^121163123 is an apocalyptic number.

121163123 is a deficient number, since it is larger than the sum of its proper divisors (4486765).

121163123 is a wasteful number, since it uses less digits than its factorization.

121163123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31933.

The product of its digits is 216, while the sum is 20.

The square root of 121163123 is about 11007.4121845237. The cubic root of 121163123 is about 494.8309091537.

The spelling of 121163123 in words is "one hundred twenty-one million, one hundred sixty-three thousand, one hundred twenty-three".