122786039 has 2 divisors, whose sum is σ = 122786040. Its totient is φ = 122786038.

The previous prime is 122786023. The next prime is 122786047. The reversal of 122786039 is 930687221.

It is a strong prime.

It is an emirp because it is prime and its reverse (930687221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122786039 - 2⁴ = 122786023 is a prime.

It is a super-2 number, since 2×122786039² = 30152822746619042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122785993 and 122786011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122786099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61393019 + 61393020.

It is an arithmetic number, because the mean of its divisors is an integer number (61393020).

Almost surely, 2^122786039 is an apocalyptic number.

122786039 is a deficient number, since it is larger than the sum of its proper divisors (1).

122786039 is an equidigital number, since it uses as much as digits as its factorization.

122786039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 122786039 is about 11080.8862010220. The cubic root of 122786039 is about 497.0304504660.

The spelling of 122786039 in words is "one hundred twenty-two million, seven hundred eighty-six thousand, thirty-nine".