121122023 has 4 divisors (see below), whose sum is σ = 132133128. Its totient is φ = 110110920.

The previous prime is 121122011. The next prime is 121122037. The reversal of 121122023 is 320221121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320221121 = 11 ⋅29111011.

It is a cyclic number.

It is not a de Polignac number, because 121122023 - 2⁴ = 121122007 is a prime.

It is a super-2 number, since 2×121122023² = 29341088911225058, 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 = 121121989 and 121122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122073) 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, 5505536 + ... + 5505557.

It is an arithmetic number, because the mean of its divisors is an integer number (33033282).

Almost surely, 2^121122023 is an apocalyptic number.

121122023 is a deficient number, since it is larger than the sum of its proper divisors (11011105).

121122023 is a wasteful number, since it uses less digits than its factorization.

121122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011104.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 121122023 is about 11005.5451023564. The cubic root of 121122023 is about 494.7749519453.

Adding to 121122023 its reverse (320221121), we get a palindrome (441343144).

The spelling of 121122023 in words is "one hundred twenty-one million, one hundred twenty-two thousand, twenty-three".