122654349187 has 2 divisors, whose sum is σ = 122654349188. Its totient is φ = 122654349186.

The previous prime is 122654349173. The next prime is 122654349199. The reversal of 122654349187 is 781943456221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122654349187 - 2¹⁵ = 122654316419 is a prime.

It is not a weakly prime, because it can be changed into another prime (122654349287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61327174593 + 61327174594.

It is an arithmetic number, because the mean of its divisors is an integer number (61327174594).

Almost surely, 2^122654349187 is an apocalyptic number.

122654349187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122654349187 is an equidigital number, since it uses as much as digits as its factorization.

122654349187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The spelling of 122654349187 in words is "one hundred twenty-two billion, six hundred fifty-four million, three hundred forty-nine thousand, one hundred eighty-seven".