117291037 has 4 divisors (see below), whose sum is σ = 120151836. Its totient is φ = 114430240.

The previous prime is 117291029. The next prime is 117291061. The reversal of 117291037 is 730192711.

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 32024281 + 85266756 = 5659^2 + 9234^2 .

It is a cyclic number.

It is not a de Polignac number, because 117291037 - 2³ = 117291029 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 (117291017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430338 + ... + 1430419.

It is an arithmetic number, because the mean of its divisors is an integer number (30037959).

Almost surely, 2^117291037 is an apocalyptic number.

It is an amenable number.

117291037 is a deficient number, since it is larger than the sum of its proper divisors (2860799).

117291037 is an equidigital number, since it uses as much as digits as its factorization.

117291037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860798.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 117291037 is about 10830.0986606771. The cubic root of 117291037 is about 489.5025313547.

The spelling of 117291037 in words is "one hundred seventeen million, two hundred ninety-one thousand, thirty-seven".