101117665 has 32 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 71712000.

The previous prime is 101117659. The next prime is 101117669. The reversal of 101117665 is 566711101.

It is not a de Polignac number, because 101117665 - 2²⁵ = 67563233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101117669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605412 + ... + 605578.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^101117665 is an apocalyptic number.

It is an amenable number.

101117665 is a deficient number, since it is larger than the sum of its proper divisors (34599455).

101117665 is a wasteful number, since it uses less digits than its factorization.

101117665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 101117665 is about 10055.7279696698. The cubic root of 101117665 is about 465.8817277994.

Adding to 101117665 its reverse (566711101), we get a palindrome (667828766).

The spelling of 101117665 in words is "one hundred one million, one hundred seventeen thousand, six hundred sixty-five".