117483921 has 9 divisors (see below), whose sum is σ = 169745979. Its totient is φ = 78300936.

The previous prime is 117483911. The next prime is 117483979. The reversal of 117483921 is 129384711.

It is a happy number.

The square root of 117483921 is 10839.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65025 + 117418896 = 255^2 + 10836^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 117483921 - 2²³ = 109095313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117483911) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30711 + ... + 34323.

Almost surely, 2^117483921 is an apocalyptic number.

117483921 is the 10839-th square number.

117483921 is the 5420-th centered octagonal number.

It is an amenable number.

117483921 is a deficient number, since it is larger than the sum of its proper divisors (52262058).

117483921 is an frugal number, since it uses more digits than its factorization.

117483921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232 (or 3616 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The cubic root of 117483921 is about 489.7707118279.

Multiplying 117483921 by its sum of digits (36), we get a square (4229421156 = 65034²).

The spelling of 117483921 in words is "one hundred seventeen million, four hundred eighty-three thousand, nine hundred twenty-one".