121044023 has 4 divisors (see below), whose sum is σ = 121154280. Its totient is φ = 120933768.

The previous prime is 121043981. The next prime is 121044031. The reversal of 121044023 is 320440121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121044023 - 2¹² = 121039927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121043992 and 121044010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121044073) 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, 53465 + ... + 55682.

It is an arithmetic number, because the mean of its divisors is an integer number (30288570).

Almost surely, 2^121044023 is an apocalyptic number.

121044023 is a deficient number, since it is larger than the sum of its proper divisors (110257).

121044023 is a wasteful number, since it uses less digits than its factorization.

121044023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110256.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121044023 is about 11002.0008634793. Note that the first 3 decimals coincide. The cubic root of 121044023 is about 494.6687209657.

Adding to 121044023 its reverse (320440121), we get a palindrome (441484144).

The spelling of 121044023 in words is "one hundred twenty-one million, forty-four thousand, twenty-three".