122302145491 has 2 divisors, whose sum is σ = 122302145492. Its totient is φ = 122302145490.

The previous prime is 122302145461. The next prime is 122302145533. The reversal of 122302145491 is 194541203221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122302145491 - 2¹³ = 122302137299 is a prime.

It is not a weakly prime, because it can be changed into another prime (122302145461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151072745 + 61151072746.

It is an arithmetic number, because the mean of its divisors is an integer number (61151072746).

Almost surely, 2^122302145491 is an apocalyptic number.

122302145491 is a deficient number, since it is larger than the sum of its proper divisors (1).

122302145491 is an equidigital number, since it uses as much as digits as its factorization.

122302145491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 122302145491 in words is "one hundred twenty-two billion, three hundred two million, one hundred forty-five thousand, four hundred ninety-one".