111994741 has 2 divisors, whose sum is σ = 111994742. Its totient is φ = 111994740.

The previous prime is 111994699. The next prime is 111994769. The reversal of 111994741 is 147499111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109202500 + 2792241 = 10450^2 + 1671^2 .

It is an emirp because it is prime and its reverse (147499111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111994741 - 2⁹ = 111994229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111994741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111494741) 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 as a sum of consecutive naturals, namely, 55997370 + 55997371.

It is an arithmetic number, because the mean of its divisors is an integer number (55997371).

Almost surely, 2^111994741 is an apocalyptic number.

It is an amenable number.

111994741 is a deficient number, since it is larger than the sum of its proper divisors (1).

111994741 is an equidigital number, since it uses as much as digits as its factorization.

111994741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 37.

The square root of 111994741 is about 10582.7567769462. The cubic root of 111994741 is about 482.0209081109.

The spelling of 111994741 in words is "one hundred eleven million, nine hundred ninety-four thousand, seven hundred forty-one".