111301427 has 2 divisors, whose sum is σ = 111301428. Its totient is φ = 111301426.

The previous prime is 111301417. The next prime is 111301433. The reversal of 111301427 is 724103111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111301427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111301399 and 111301408.

It is not a weakly prime, because it can be changed into another prime (111301417) 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, 55650713 + 55650714.

It is an arithmetic number, because the mean of its divisors is an integer number (55650714).

Almost surely, 2^111301427 is an apocalyptic number.

111301427 is a deficient number, since it is larger than the sum of its proper divisors (1).

111301427 is an equidigital number, since it uses as much as digits as its factorization.

111301427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 111301427 is about 10549.9491467969. The cubic root of 111301427 is about 481.0241832116.

Adding to 111301427 its reverse (724103111), we get a palindrome (835404538).

The spelling of 111301427 in words is "one hundred eleven million, three hundred one thousand, four hundred twenty-seven".