111792749 has 2 divisors, whose sum is σ = 111792750. Its totient is φ = 111792748.

The previous prime is 111792679. The next prime is 111792803. The reversal of 111792749 is 947297111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108534724 + 3258025 = 10418^2 + 1805^2 .

It is an emirp because it is prime and its reverse (947297111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111792749 - 2¹² = 111788653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111702749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55896374 + 55896375.

It is an arithmetic number, because the mean of its divisors is an integer number (55896375).

Almost surely, 2^111792749 is an apocalyptic number.

It is an amenable number.

111792749 is a deficient number, since it is larger than the sum of its proper divisors (1).

111792749 is an equidigital number, since it uses as much as digits as its factorization.

111792749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 41.

The square root of 111792749 is about 10573.2090209170. The cubic root of 111792749 is about 481.7309452070.

The spelling of 111792749 in words is "one hundred eleven million, seven hundred ninety-two thousand, seven hundred forty-nine".