111744973 has 2 divisors, whose sum is σ = 111744974. Its totient is φ = 111744972.

The previous prime is 111744959. The next prime is 111744977. The reversal of 111744973 is 379447111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67947049 + 43797924 = 8243^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 111744973 - 2²¹ = 109647821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111744977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55872486 + 55872487.

It is an arithmetic number, because the mean of its divisors is an integer number (55872487).

Almost surely, 2^111744973 is an apocalyptic number.

It is an amenable number.

111744973 is a deficient number, since it is larger than the sum of its proper divisors (1).

111744973 is an equidigital number, since it uses as much as digits as its factorization.

111744973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 111744973 is about 10570.9494843179. The cubic root of 111744973 is about 481.6623108897.

The spelling of 111744973 in words is "one hundred eleven million, seven hundred forty-four thousand, nine hundred seventy-three".