122017665765 has 16 divisors (see below), whose sum is σ = 195383361600. Its totient is φ = 65024389632.

The previous prime is 122017665751. The next prime is 122017665779. The reversal of 122017665765 is 567566710221.

It is an interprime number because it is at equal distance from previous prime (122017665751) and next prime (122017665779).

It is not a de Polignac number, because 122017665765 - 2⁸ = 122017665509 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3211660 + ... + 3249429.

It is an arithmetic number, because the mean of its divisors is an integer number (12211460100).

Almost surely, 2^122017665765 is an apocalyptic number.

122017665765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122017665765 is a deficient number, since it is larger than the sum of its proper divisors (73365695835).

122017665765 is a wasteful number, since it uses less digits than its factorization.

122017665765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462356.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 122017665765 in words is "one hundred twenty-two billion, seventeen million, six hundred sixty-five thousand, seven hundred sixty-five".