122325120402491 has 2 divisors, whose sum is σ = 122325120402492. Its totient is φ = 122325120402490.

The previous prime is 122325120402439. The next prime is 122325120402557. The reversal of 122325120402491 is 194204021523221.

It is a weak prime.

It is an emirp because it is prime and its reverse (194204021523221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122325120402491 - 2²² = 122325116208187 is a prime.

It is not a weakly prime, because it can be changed into another prime (122325120402391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61162560201245 + 61162560201246.

It is an arithmetic number, because the mean of its divisors is an integer number (61162560201246).

Almost surely, 2^{122325120402491} is an apocalyptic number.

122325120402491 is a deficient number, since it is larger than the sum of its proper divisors (1).

122325120402491 is an equidigital number, since it uses as much as digits as its factorization.

122325120402491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 122325120402491 in words is "one hundred twenty-two trillion, three hundred twenty-five billion, one hundred twenty million, four hundred two thousand, four hundred ninety-one".