111241253 has 2 divisors, whose sum is σ = 111241254. Its totient is φ = 111241252.

The previous prime is 111241231. The next prime is 111241267. The reversal of 111241253 is 352142111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56806369 + 54434884 = 7537^2 + 7378^2 .

It is an emirp because it is prime and its reverse (352142111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111241253 - 2²² = 107046949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111241213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620626 + 55620627.

It is an arithmetic number, because the mean of its divisors is an integer number (55620627).

Almost surely, 2^111241253 is an apocalyptic number.

It is an amenable number.

111241253 is a deficient number, since it is larger than the sum of its proper divisors (1).

111241253 is an equidigital number, since it uses as much as digits as its factorization.

111241253 is an odious number, because the sum of its binary digits is odd.

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

The square root of 111241253 is about 10547.0968991472. The cubic root of 111241253 is about 480.9374806184.

Adding to 111241253 its reverse (352142111), we get a palindrome (463383364).

The spelling of 111241253 in words is "one hundred eleven million, two hundred forty-one thousand, two hundred fifty-three".