117811244 has 24 divisors (see below), whose sum is σ = 215587680. Its totient is φ = 56225664.

The previous prime is 117811231. The next prime is 117811249. The reversal of 117811244 is 442118711.

It is not an unprimeable number, because it can be changed into a prime (117811249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55352 + ... + 57440.

It is an arithmetic number, because the mean of its divisors is an integer number (8982820).

Almost surely, 2^117811244 is an apocalyptic number.

It is an amenable number.

117811244 is a deficient number, since it is larger than the sum of its proper divisors (97776436).

117811244 is a wasteful number, since it uses less digits than its factorization.

117811244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2727 counting only the distinct ones).

The product of its digits is 1792, while the sum is 29.

The square root of 117811244 is about 10854.0888148200. The cubic root of 117811244 is about 490.2251415746.

Adding to 117811244 its reverse (442118711), we get a palindrome (559929955).

The spelling of 117811244 in words is "one hundred seventeen million, eight hundred eleven thousand, two hundred forty-four".