111424249 has 2 divisors, whose sum is σ = 111424250. Its totient is φ = 111424248.

The previous prime is 111424241. The next prime is 111424253. The reversal of 111424249 is 942424111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78854400 + 32569849 = 8880^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 111424249 - 2³ = 111424241 is a prime.

It is not a weakly prime, because it can be changed into another prime (111424241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55712124 + 55712125.

It is an arithmetic number, because the mean of its divisors is an integer number (55712125).

Almost surely, 2^111424249 is an apocalyptic number.

It is an amenable number.

111424249 is a deficient number, since it is larger than the sum of its proper divisors (1).

111424249 is an equidigital number, since it uses as much as digits as its factorization.

111424249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 111424249 is about 10555.7685177347. The cubic root of 111424249 is about 481.2010561570.

The spelling of 111424249 in words is "one hundred eleven million, four hundred twenty-four thousand, two hundred forty-nine".