118943749 has 2 divisors, whose sum is σ = 118943750. Its totient is φ = 118943748.

The previous prime is 118943711. The next prime is 118943771. The reversal of 118943749 is 947349811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118592100 + 351649 = 10890^2 + 593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118943749 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118943699 and 118943708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118943449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59471874 + 59471875.

It is an arithmetic number, because the mean of its divisors is an integer number (59471875).

Almost surely, 2^118943749 is an apocalyptic number.

It is an amenable number.

118943749 is a deficient number, since it is larger than the sum of its proper divisors (1).

118943749 is an equidigital number, since it uses as much as digits as its factorization.

118943749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 118943749 is about 10906.1335495216. The cubic root of 118943749 is about 491.7909595686.

The spelling of 118943749 in words is "one hundred eighteen million, nine hundred forty-three thousand, seven hundred forty-nine".