117641272 has 16 divisors (see below), whose sum is σ = 252088560. Its totient is φ = 50417664.

The previous prime is 117641267. The next prime is 117641299. The reversal of 117641272 is 272146711.

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, 1050313 + ... + 1050424.

It is an arithmetic number, because the mean of its divisors is an integer number (15755535).

Almost surely, 2^117641272 is an apocalyptic number.

It is an amenable number.

117641272 is an abundant number, since it is smaller than the sum of its proper divisors (134447288).

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

117641272 is a wasteful number, since it uses less digits than its factorization.

117641272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100750 (or 2100746 counting only the distinct ones).

The product of its digits is 4704, while the sum is 31.

The square root of 117641272 is about 10846.2561282684. The cubic root of 117641272 is about 489.9892709021.

Adding to 117641272 its reverse (272146711), we get a palindrome (389787983).

The spelling of 117641272 in words is "one hundred seventeen million, six hundred forty-one thousand, two hundred seventy-two".