121425323 has 2 divisors, whose sum is σ = 121425324. Its totient is φ = 121425322.

The previous prime is 121425307. The next prime is 121425347. The reversal of 121425323 is 323524121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121425323 - 2⁴ = 121425307 is a prime.

It is not a weakly prime, because it can be changed into another prime (121421323) 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 as a sum of consecutive naturals, namely, 60712661 + 60712662.

It is an arithmetic number, because the mean of its divisors is an integer number (60712662).

Almost surely, 2^121425323 is an apocalyptic number.

121425323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121425323 is an equidigital number, since it uses as much as digits as its factorization.

121425323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 121425323 is about 11019.3159043563. The cubic root of 121425323 is about 495.1875941012.

Adding to 121425323 its reverse (323524121), we get a palindrome (444949444).

The spelling of 121425323 in words is "one hundred twenty-one million, four hundred twenty-five thousand, three hundred twenty-three".