122279699 has 2 divisors, whose sum is σ = 122279700. Its totient is φ = 122279698.

The previous prime is 122279669. The next prime is 122279719. The reversal of 122279699 is 996972221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122279699 - 2¹⁶ = 122214163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122279669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61139849 + 61139850.

It is an arithmetic number, because the mean of its divisors is an integer number (61139850).

Almost surely, 2^122279699 is an apocalyptic number.

122279699 is a deficient number, since it is larger than the sum of its proper divisors (1).

122279699 is an equidigital number, since it uses as much as digits as its factorization.

122279699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 122279699 is about 11058.0151473942. The cubic root of 122279699 is about 496.3462979564.

The spelling of 122279699 in words is "one hundred twenty-two million, two hundred seventy-nine thousand, six hundred ninety-nine".