132117720 has 96 divisors (see below), whose sum is σ = 461084400. Its totient is φ = 30196992.

The previous prime is 132117709. The next prime is 132117737. The reversal of 132117720 is 27711231.

132117720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5355 + ... + 17114.

Almost surely, 2^132117720 is an apocalyptic number.

132117720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132117720 is an abundant number, since it is smaller than the sum of its proper divisors (328966680).

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

132117720 is a wasteful number, since it uses less digits than its factorization.

132117720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22497 (or 22486 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 132117720 is about 11494.2472567802. The cubic root of 132117720 is about 509.3156526639.

Adding to 132117720 its reverse (27711231), we get a palindrome (159828951).

The spelling of 132117720 in words is "one hundred thirty-two million, one hundred seventeen thousand, seven hundred twenty".