121120023 has 8 divisors (see below), whose sum is σ = 161603568. Its totient is φ = 80691584.

The previous prime is 121120009. The next prime is 121120057. The reversal of 121120023 is 320021121.

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 121120023 - 2⁶ = 121119959 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 121119990 and 121120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8340 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (20200446).

Almost surely, 2^121120023 is an apocalyptic number.

121120023 is a deficient number, since it is larger than the sum of its proper divisors (40483545).

121120023 is a wasteful number, since it uses less digits than its factorization.

121120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27553.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121120023 is about 11005.4542386946. The cubic root of 121120023 is about 494.7722286438.

Adding to 121120023 its reverse (320021121), we get a palindrome (441141144).

The spelling of 121120023 in words is "one hundred twenty-one million, one hundred twenty thousand, twenty-three".