122432819 has 2 divisors, whose sum is σ = 122432820. Its totient is φ = 122432818.

The previous prime is 122432777. The next prime is 122432851. The reversal of 122432819 is 918234221.

It is an a-pointer prime, because the next prime (122432851) can be obtained adding 122432819 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122432819 - 2²⁰ = 121384243 is a prime.

It is a super-2 number, since 2×122432819² = 29979590336573522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122432119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61216409 + 61216410.

It is an arithmetic number, because the mean of its divisors is an integer number (61216410).

Almost surely, 2^122432819 is an apocalyptic number.

122432819 is a deficient number, since it is larger than the sum of its proper divisors (1).

122432819 is an equidigital number, since it uses as much as digits as its factorization.

122432819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 122432819 is about 11064.9364661529. The cubic root of 122432819 is about 496.5533883263.

It can be divided in two parts, 1224 and 32819, that added together give a palindrome (34043).

The spelling of 122432819 in words is "one hundred twenty-two million, four hundred thirty-two thousand, eight hundred nineteen".