111124253 has 2 divisors, whose sum is σ = 111124254. Its totient is φ = 111124252.

The previous prime is 111124231. The next prime is 111124261. The reversal of 111124253 is 352421111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76702564 + 34421689 = 8758^2 + 5867^2 .

It is a cyclic number.

It is not a de Polignac number, because 111124253 - 2²⁴ = 94347037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111123253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55562126 + 55562127.

It is an arithmetic number, because the mean of its divisors is an integer number (55562127).

Almost surely, 2^111124253 is an apocalyptic number.

It is an amenable number.

111124253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111124253 is an equidigital number, since it uses as much as digits as its factorization.

111124253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 111124253 is about 10541.5488899877. The cubic root of 111124253 is about 480.7688099055.

Adding to 111124253 its reverse (352421111), we get a palindrome (463545364).

The spelling of 111124253 in words is "one hundred eleven million, one hundred twenty-four thousand, two hundred fifty-three".