117052261 has 4 divisors (see below), whose sum is σ = 117093312. Its totient is φ = 117011212.

The previous prime is 117052241. The next prime is 117052289. The reversal of 117052261 is 162250711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117052261 - 2¹³ = 117044069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117052211) 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, 15901 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (29273328).

Almost surely, 2^117052261 is an apocalyptic number.

It is an amenable number.

117052261 is a deficient number, since it is larger than the sum of its proper divisors (41051).

117052261 is an equidigital number, since it uses as much as digits as its factorization.

117052261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41050.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 117052261 is about 10819.0693222661. The cubic root of 117052261 is about 489.1701363616.

The spelling of 117052261 in words is "one hundred seventeen million, fifty-two thousand, two hundred sixty-one".