118111949 has 2 divisors, whose sum is σ = 118111950. Its totient is φ = 118111948.

The previous prime is 118111943. The next prime is 118111963. The reversal of 118111949 is 949111811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 8008900 = 10493^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 118111949 - 2⁴ = 118111933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118111943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59055974 + 59055975.

It is an arithmetic number, because the mean of its divisors is an integer number (59055975).

Almost surely, 2^118111949 is an apocalyptic number.

It is an amenable number.

118111949 is a deficient number, since it is larger than the sum of its proper divisors (1).

118111949 is an equidigital number, since it uses as much as digits as its factorization.

118111949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 35.

The square root of 118111949 is about 10867.9321400163. The cubic root of 118111949 is about 490.6418757309.

The spelling of 118111949 in words is "one hundred eighteen million, one hundred eleven thousand, nine hundred forty-nine".