111227873 has 2 divisors, whose sum is σ = 111227874. Its totient is φ = 111227872.

The previous prime is 111227849. The next prime is 111227899. The reversal of 111227873 is 378722111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94809169 + 16418704 = 9737^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 111227873 - 2¹⁰ = 111226849 is a prime.

It is not a weakly prime, because it can be changed into another prime (111227833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55613936 + 55613937.

It is an arithmetic number, because the mean of its divisors is an integer number (55613937).

Almost surely, 2^111227873 is an apocalyptic number.

It is an amenable number.

111227873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111227873 is an equidigital number, since it uses as much as digits as its factorization.

111227873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 111227873 is about 10546.4625823069. The cubic root of 111227873 is about 480.9181975996.

Adding to 111227873 its reverse (378722111), we get a palindrome (489949984).

The spelling of 111227873 in words is "one hundred eleven million, two hundred twenty-seven thousand, eight hundred seventy-three".