117273137 has 2 divisors, whose sum is σ = 117273138. Its totient is φ = 117273136.

The previous prime is 117273119. The next prime is 117273151. The reversal of 117273137 is 731372711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71250481 + 46022656 = 8441^2 + 6784^2 .

It is an emirp because it is prime and its reverse (731372711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117273137 - 2¹⁴ = 117256753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117273337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58636568 + 58636569.

It is an arithmetic number, because the mean of its divisors is an integer number (58636569).

Almost surely, 2^117273137 is an apocalyptic number.

It is an amenable number.

117273137 is a deficient number, since it is larger than the sum of its proper divisors (1).

117273137 is an equidigital number, since it uses as much as digits as its factorization.

117273137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6174, while the sum is 32.

The square root of 117273137 is about 10829.2722285480. The cubic root of 117273137 is about 489.4776287952.

The spelling of 117273137 in words is "one hundred seventeen million, two hundred seventy-three thousand, one hundred thirty-seven".