122804819 has 2 divisors, whose sum is σ = 122804820. Its totient is φ = 122804818.

The previous prime is 122804791. The next prime is 122804831. The reversal of 122804819 is 918408221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122804819 - 2¹² = 122800723 is a prime.

It is a super-2 number, since 2×122804819² = 30162047139245522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122804839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61402409 + 61402410.

It is an arithmetic number, because the mean of its divisors is an integer number (61402410).

Almost surely, 2^122804819 is an apocalyptic number.

122804819 is a deficient number, since it is larger than the sum of its proper divisors (1).

122804819 is an equidigital number, since it uses as much as digits as its factorization.

122804819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 122804819 is about 11081.7335737690. The cubic root of 122804819 is about 497.0557892751.

The spelling of 122804819 in words is "one hundred twenty-two million, eight hundred four thousand, eight hundred nineteen".