902117 has 4 divisors (see below), whose sum is σ = 910656. Its totient is φ = 893580.

The previous prime is 902089. The next prime is 902119. The reversal of 902117 is 711209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 902117 - 2⁶ = 902053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 902117.

It is not an unprimeable number, because it can be changed into a prime (902119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4109 + ... + 4322.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2⁹⁰²¹¹⁷ is an apocalyptic number.

It is an amenable number.

902117 is a deficient number, since it is larger than the sum of its proper divisors (8539).

902117 is a wasteful number, since it uses less digits than its factorization.

902117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 902117 is about 949.7983996617. The cubic root of 902117 is about 96.6245807019.

The spelling of 902117 in words is "nine hundred two thousand, one hundred seventeen".