121136323 has 16 divisors (see below), whose sum is σ = 153881856. Its totient is φ = 92607840.

The previous prime is 121136317. The next prime is 121136341. The reversal of 121136323 is 323631121.

It is a cyclic number.

It is not a de Polignac number, because 121136323 - 2¹³ = 121128131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121136294 and 121136303.

It is not an unprimeable number, because it can be changed into a prime (121136303) 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 15 ways as a sum of consecutive naturals, for example, 10761 + ... + 18922.

It is an arithmetic number, because the mean of its divisors is an integer number (9617616).

Almost surely, 2^121136323 is an apocalyptic number.

121136323 is a deficient number, since it is larger than the sum of its proper divisors (32745533).

121136323 is a wasteful number, since it uses less digits than its factorization.

121136323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29754.

The product of its digits is 648, while the sum is 22.

The square root of 121136323 is about 11006.1947556819. The cubic root of 121136323 is about 494.7944226774.

Adding to 121136323 its reverse (323631121), we get a palindrome (444767444).

The spelling of 121136323 in words is "one hundred twenty-one million, one hundred thirty-six thousand, three hundred twenty-three".