117533247 has 12 divisors (see below), whose sum is σ = 169693704. Its totient is φ = 72327840.

The previous prime is 117533239. The next prime is 117533261. The reversal of 117533247 is 742335711.

It is not a de Polignac number, because 117533247 - 2³ = 117533239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117533237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115404 + ... + 116417.

It is an arithmetic number, because the mean of its divisors is an integer number (14141142).

Almost surely, 2^117533247 is an apocalyptic number.

117533247 is a deficient number, since it is larger than the sum of its proper divisors (52160457).

117533247 is a wasteful number, since it uses less digits than its factorization.

117533247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231850 (or 231837 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 117533247 is about 10841.2751556263. The cubic root of 117533247 is about 489.8392461706.

Adding to 117533247 its reverse (742335711), we get a palindrome (859868958).

The spelling of 117533247 in words is "one hundred seventeen million, five hundred thirty-three thousand, two hundred forty-seven".