111144937 has 2 divisors, whose sum is σ = 111144938. Its totient is φ = 111144936.

The previous prime is 111144919. The next prime is 111144953. The reversal of 111144937 is 739441111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111007296 + 137641 = 10536^2 + 371^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111144937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111144899 and 111144908.

It is not a weakly prime, because it can be changed into another prime (111244937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55572468 + 55572469.

It is an arithmetic number, because the mean of its divisors is an integer number (55572469).

Almost surely, 2^111144937 is an apocalyptic number.

It is an amenable number.

111144937 is a deficient number, since it is larger than the sum of its proper divisors (1).

111144937 is an equidigital number, since it uses as much as digits as its factorization.

111144937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 111144937 is about 10542.5299145888. The cubic root of 111144937 is about 480.7986371931.

The spelling of 111144937 in words is "one hundred eleven million, one hundred forty-four thousand, nine hundred thirty-seven".