122697665 has 8 divisors (see below), whose sum is σ = 149101440. Its totient is φ = 96915312.

The previous prime is 122697643. The next prime is 122697691. The reversal of 122697665 is 566796221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122697665 - 2⁸ = 122697409 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154919 + ... + 155708.

It is an arithmetic number, because the mean of its divisors is an integer number (18637680).

Almost surely, 2^122697665 is an apocalyptic number.

It is an amenable number.

122697665 is a deficient number, since it is larger than the sum of its proper divisors (26403775).

122697665 is an equidigital number, since it uses as much as digits as its factorization.

122697665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310711.

The product of its digits is 272160, while the sum is 44.

The square root of 122697665 is about 11076.8978057938. The cubic root of 122697665 is about 496.9111776461.

The spelling of 122697665 in words is "one hundred twenty-two million, six hundred ninety-seven thousand, six hundred sixty-five".