121132023 has 4 divisors (see below), whose sum is σ = 161509368. Its totient is φ = 80754680.

The previous prime is 121132003. The next prime is 121132051. The reversal of 121132023 is 320231121.

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 121132023 - 2⁵ = 121131991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121131993 and 121132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20188668 + ... + 20188673.

It is an arithmetic number, because the mean of its divisors is an integer number (40377342).

Almost surely, 2^121132023 is an apocalyptic number.

121132023 is a deficient number, since it is larger than the sum of its proper divisors (40377345).

121132023 is an equidigital number, since it uses as much as digits as its factorization.

121132023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40377344.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121132023 is about 11005.9994094130. Note that the first 3 decimals coincide. The cubic root of 121132023 is about 494.7885680030.

Adding to 121132023 its reverse (320231121), we get a palindrome (441363144).

The spelling of 121132023 in words is "one hundred twenty-one million, one hundred thirty-two thousand, twenty-three".