102665755 has 8 divisors (see below), whose sum is σ = 123937632. Its totient is φ = 81640128.

The previous prime is 102665741. The next prime is 102665779. The reversal of 102665755 is 557566201.

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 102665755 - 2⁹ = 102665243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60642 + ... + 62311.

It is an arithmetic number, because the mean of its divisors is an integer number (15492204).

Almost surely, 2^102665755 is an apocalyptic number.

102665755 is a deficient number, since it is larger than the sum of its proper divisors (21271877).

102665755 is a wasteful number, since it uses less digits than its factorization.

102665755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123125.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 102665755 is about 10132.4111148334. The cubic root of 102665755 is about 468.2472136691.

The spelling of 102665755 in words is "one hundred two million, six hundred sixty-five thousand, seven hundred fifty-five".