117620255 has 4 divisors (see below), whose sum is σ = 141144312. Its totient is φ = 94096200.

The previous prime is 117620227. The next prime is 117620281. The reversal of 117620255 is 552026711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552026711 = 101 ⋅5465611.

It is not a de Polignac number, because 117620255 - 2¹⁰ = 117619231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11762021 + ... + 11762030.

It is an arithmetic number, because the mean of its divisors is an integer number (35286078).

Almost surely, 2^117620255 is an apocalyptic number.

117620255 is a deficient number, since it is larger than the sum of its proper divisors (23524057).

117620255 is an equidigital number, since it uses as much as digits as its factorization.

117620255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23524056.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 117620255 is about 10845.2872253343. The cubic root of 117620255 is about 489.9600897662.

Adding to 117620255 its reverse (552026711), we get a palindrome (669646966).

The spelling of 117620255 in words is "one hundred seventeen million, six hundred twenty thousand, two hundred fifty-five".