117021775 has 36 divisors (see below), whose sum is σ = 160644232. Its totient is φ = 84058560.

The previous prime is 117021767. The next prime is 117021781. The reversal of 117021775 is 577120711.

It is not a de Polignac number, because 117021775 - 2³ = 117021767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 717844 + ... + 718006.

Almost surely, 2^117021775 is an apocalyptic number.

117021775 is a deficient number, since it is larger than the sum of its proper divisors (43622457).

117021775 is a wasteful number, since it uses less digits than its factorization.

117021775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 117021775 is about 10817.6603292949. The cubic root of 117021775 is about 489.1276649176.

The spelling of 117021775 in words is "one hundred seventeen million, twenty-one thousand, seven hundred seventy-five".