111724043 has 2 divisors, whose sum is σ = 111724044. Its totient is φ = 111724042.

The previous prime is 111724021. The next prime is 111724061. The reversal of 111724043 is 340427111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111724043 - 2¹⁰ = 111723019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111724243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55862021 + 55862022.

It is an arithmetic number, because the mean of its divisors is an integer number (55862022).

Almost surely, 2^111724043 is an apocalyptic number.

111724043 is a deficient number, since it is larger than the sum of its proper divisors (1).

111724043 is an equidigital number, since it uses as much as digits as its factorization.

111724043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 111724043 is about 10569.9594606602. The cubic root of 111724043 is about 481.6322369891.

The spelling of 111724043 in words is "one hundred eleven million, seven hundred twenty-four thousand, forty-three".