122151073591 has 2 divisors, whose sum is σ = 122151073592. Its totient is φ = 122151073590.

The previous prime is 122151073537. The next prime is 122151073613. The reversal of 122151073591 is 195370151221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122151073591 - 2¹⁷ = 122150942519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122151073591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122151073691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61075536795 + 61075536796.

It is an arithmetic number, because the mean of its divisors is an integer number (61075536796).

Almost surely, 2^122151073591 is an apocalyptic number.

122151073591 is a deficient number, since it is larger than the sum of its proper divisors (1).

122151073591 is an equidigital number, since it uses as much as digits as its factorization.

122151073591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 37.

The spelling of 122151073591 in words is "one hundred twenty-two billion, one hundred fifty-one million, seventy-three thousand, five hundred ninety-one".