117747241 has 4 divisors (see below), whose sum is σ = 117846484. Its totient is φ = 117648000.

The previous prime is 117747239. The next prime is 117747251. The reversal of 117747241 is 142747711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 84107241 = 5800^2 + 9171^2 .

It is a cyclic number.

It is not a de Polignac number, because 117747241 - 2¹ = 117747239 is a prime.

It is a super-2 number, since 2×117747241² = 27728825526224162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117747197 and 117747206.

It is not an unprimeable number, because it can be changed into a prime (117747211) 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, 47820 + ... + 50221.

It is an arithmetic number, because the mean of its divisors is an integer number (29461621).

Almost surely, 2^117747241 is an apocalyptic number.

It is an amenable number.

117747241 is a deficient number, since it is larger than the sum of its proper divisors (99243).

117747241 is an equidigital number, since it uses as much as digits as its factorization.

117747241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99242.

The product of its digits is 10976, while the sum is 34.

The square root of 117747241 is about 10851.1400783512. The cubic root of 117747241 is about 490.1363510590.

The spelling of 117747241 in words is "one hundred seventeen million, seven hundred forty-seven thousand, two hundred forty-one".