122244691 has 2 divisors, whose sum is σ = 122244692. Its totient is φ = 122244690.

The previous prime is 122244667. The next prime is 122244713. The reversal of 122244691 is 196442221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122244691 is a prime.

It is not a weakly prime, because it can be changed into another prime (122244631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122345 + 61122346.

It is an arithmetic number, because the mean of its divisors is an integer number (61122346).

Almost surely, 2^122244691 is an apocalyptic number.

122244691 is a deficient number, since it is larger than the sum of its proper divisors (1).

122244691 is an equidigital number, since it uses as much as digits as its factorization.

122244691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 122244691 is about 11056.4321098626. The cubic root of 122244691 is about 496.2989263708.

The spelling of 122244691 in words is "one hundred twenty-two million, two hundred forty-four thousand, six hundred ninety-one".