117802 has 4 divisors (see below), whose sum is σ = 176706. Its totient is φ = 58900.

The previous prime is 117797. The next prime is 117809. The reversal of 117802 is 208711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208711 = 113 ⋅1847.

It can be written as a sum of positive squares in only one way, i.e., 116281 + 1521 = 341^2 + 39^2 .

It is a super-2 number, since 2×117802² = 27754622408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117802.

It is not an unprimeable number, because it can be changed into a prime (117809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29449 + ... + 29452.

2¹¹⁷⁸⁰² is an apocalyptic number.

117802 is a deficient number, since it is larger than the sum of its proper divisors (58904).

117802 is an equidigital number, since it uses as much as digits as its factorization.

117802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58903.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 117802 is about 343.2229596050. Note that the first 3 decimals coincide. The cubic root of 117802 is about 49.0212319483.

Subtracting 117802 from its reverse (208711), we obtain a palindrome (90909).

It can be divided in two parts, 117 and 802, that added together give a palindrome (919).

The spelling of 117802 in words is "one hundred seventeen thousand, eight hundred two".