121252023 has 12 divisors (see below), whose sum is σ = 175648200. Its totient is φ = 80600976.

The previous prime is 121252009. The next prime is 121252039. The reversal of 121252023 is 320252121.

Added to its reverse (320252121) it gives a square (441504144 = 21012²).

121252023 is a `hidden beast` number, since 121 + 2 + 520 + 23 = 666.

It is not a de Polignac number, because 121252023 - 2¹⁸ = 120989879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121251987 and 121252005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121252003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16161 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (14637350).

Almost surely, 2^121252023 is an apocalyptic number.

121252023 is a deficient number, since it is larger than the sum of its proper divisors (54396177).

121252023 is a wasteful number, since it uses less digits than its factorization.

121252023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38958 (or 38955 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121252023 is about 11011.4496320875. The cubic root of 121252023 is about 494.9519022749.

Adding to 121252023 its reverse (320252121), we get a square (441504144 = 21012²).

It can be divided in two parts, 1212 and 52023, that added together give a palindrome (53235).

The spelling of 121252023 in words is "one hundred twenty-one million, two hundred fifty-two thousand, twenty-three".