122909077 has 2 divisors, whose sum is σ = 122909078. Its totient is φ = 122909076.

The previous prime is 122909063. The next prime is 122909107. The reversal of 122909077 is 770909221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 164836 = 11079^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 122909077 - 2¹⁵ = 122876309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122909477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61454538 + 61454539.

It is an arithmetic number, because the mean of its divisors is an integer number (61454539).

Almost surely, 2^122909077 is an apocalyptic number.

It is an amenable number.

122909077 is a deficient number, since it is larger than the sum of its proper divisors (1).

122909077 is an equidigital number, since it uses as much as digits as its factorization.

122909077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 122909077 is about 11086.4366231896. The cubic root of 122909077 is about 497.1964118355.

The spelling of 122909077 in words is "one hundred twenty-two million, nine hundred nine thousand, seventy-seven".