122691353 has 2 divisors, whose sum is σ = 122691354. Its totient is φ = 122691352.

The previous prime is 122691307. The next prime is 122691377. The reversal of 122691353 is 353196221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 12588304 = 10493^2 + 3548^2 .

It is a cyclic number.

It is not a de Polignac number, because 122691353 - 2²⁶ = 55582489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122691383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61345676 + 61345677.

It is an arithmetic number, because the mean of its divisors is an integer number (61345677).

Almost surely, 2^122691353 is an apocalyptic number.

It is an amenable number.

122691353 is a deficient number, since it is larger than the sum of its proper divisors (1).

122691353 is an equidigital number, since it uses as much as digits as its factorization.

122691353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 122691353 is about 11076.6128848128. The cubic root of 122691353 is about 496.9026565464.

The spelling of 122691353 in words is "one hundred twenty-two million, six hundred ninety-one thousand, three hundred fifty-three".