121112023 has 16 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 111408480.

The previous prime is 121112011. The next prime is 121112027. The reversal of 121112023 is 320211121.

It is a cyclic number.

It is not a de Polignac number, because 121112023 - 2²¹ = 119014871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121111994 and 121112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95568 + ... + 96826.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^121112023 is an apocalyptic number.

121112023 is a deficient number, since it is larger than the sum of its proper divisors (10129577).

121112023 is a wasteful number, since it uses less digits than its factorization.

121112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121112023 is about 11005.0907765452. The cubic root of 121112023 is about 494.7613351381.

Adding to 121112023 its reverse (320211121), we get a palindrome (441323144).

The spelling of 121112023 in words is "one hundred twenty-one million, one hundred twelve thousand, twenty-three".