117211049 has 2 divisors, whose sum is σ = 117211050. Its totient is φ = 117211048.

The previous prime is 117211043. The next prime is 117211051. The reversal of 117211049 is 940112711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99301225 + 17909824 = 9965^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 117211049 - 2¹⁶ = 117145513 is a prime.

It is a Sophie Germain prime.

Together with 117211051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (117211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58605524 + 58605525.

It is an arithmetic number, because the mean of its divisors is an integer number (58605525).

Almost surely, 2^117211049 is an apocalyptic number.

It is an amenable number.

117211049 is a deficient number, since it is larger than the sum of its proper divisors (1).

117211049 is an equidigital number, since it uses as much as digits as its factorization.

117211049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 117211049 is about 10826.4051743873. The cubic root of 117211049 is about 489.3912320504.

It can be divided in two parts, 1172 and 11049, that added together give a palindrome (12221).

The spelling of 117211049 in words is "one hundred seventeen million, two hundred eleven thousand, forty-nine".