122660165987 has 2 divisors, whose sum is σ = 122660165988. Its totient is φ = 122660165986.

The previous prime is 122660165963. The next prime is 122660166037. The reversal of 122660165987 is 789561066221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122660165987 - 2⁶ = 122660165923 is a prime.

It is not a weakly prime, because it can be changed into another prime (122660105987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330082993 + 61330082994.

It is an arithmetic number, because the mean of its divisors is an integer number (61330082994).

Almost surely, 2^122660165987 is an apocalyptic number.

122660165987 is a deficient number, since it is larger than the sum of its proper divisors (1).

122660165987 is an equidigital number, since it uses as much as digits as its factorization.

122660165987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 122660165987 in words is "one hundred twenty-two billion, six hundred sixty million, one hundred sixty-five thousand, nine hundred eighty-seven".