117217254 has 32 divisors (see below), whose sum is σ = 292283136. Its totient is φ = 30445920.

The previous prime is 117217241. The next prime is 117217279. The reversal of 117217254 is 452712711.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126397 + ... + 127320.

It is an arithmetic number, because the mean of its divisors is an integer number (9133848).

Almost surely, 2^117217254 is an apocalyptic number.

117217254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117217254 is an abundant number, since it is smaller than the sum of its proper divisors (175065882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117217254 is a wasteful number, since it uses less digits than its factorization.

117217254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253740.

The product of its digits is 3920, while the sum is 30.

The square root of 117217254 is about 10826.6917384767. The cubic root of 117217254 is about 489.3998678092.

Adding to 117217254 its reverse (452712711), we get a palindrome (569929965).

The spelling of 117217254 in words is "one hundred seventeen million, two hundred seventeen thousand, two hundred fifty-four".