122717665 has 32 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 82080000.

The previous prime is 122717659. The next prime is 122717671. The reversal of 122717665 is 566717221.

It is an interprime number because it is at equal distance from previous prime (122717659) and next prime (122717671).

It is not a de Polignac number, because 122717665 - 2¹⁹ = 122193377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488790 + ... + 489040.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^122717665 is an apocalyptic number.

It is an amenable number.

122717665 is a deficient number, since it is larger than the sum of its proper divisors (49771295).

122717665 is a wasteful number, since it uses less digits than its factorization.

122717665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 35280, while the sum is 37.

The square root of 122717665 is about 11077.8005488454. The cubic root of 122717665 is about 496.9381753988.

The spelling of 122717665 in words is "one hundred twenty-two million, seven hundred seventeen thousand, six hundred sixty-five".