117920272 has 20 divisors (see below), whose sum is σ = 228641616. Its totient is φ = 58916000.

The previous prime is 117920261. The next prime is 117920273. The reversal of 117920272 is 272029711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117920273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34647 + ... + 37897.

Almost surely, 2^117920272 is an apocalyptic number.

It is an amenable number.

117920272 is a deficient number, since it is larger than the sum of its proper divisors (110721344).

117920272 is a wasteful number, since it uses less digits than its factorization.

117920272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 117920272 is about 10859.1100924523. The cubic root of 117920272 is about 490.3763206572.

Adding to 117920272 its reverse (272029711), we get a palindrome (389949983).

The spelling of 117920272 in words is "one hundred seventeen million, nine hundred twenty thousand, two hundred seventy-two".