111234427 has 2 divisors, whose sum is σ = 111234428. Its totient is φ = 111234426.

The previous prime is 111234419. The next prime is 111234457. The reversal of 111234427 is 724432111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111234427 - 2³ = 111234419 is a prime.

It is not a weakly prime, because it can be changed into another prime (111234457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55617213 + 55617214.

It is an arithmetic number, because the mean of its divisors is an integer number (55617214).

Almost surely, 2^111234427 is an apocalyptic number.

111234427 is a deficient number, since it is larger than the sum of its proper divisors (1).

111234427 is an equidigital number, since it uses as much as digits as its factorization.

111234427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 111234427 is about 10546.7732980282. The cubic root of 111234427 is about 480.9276433014.

Adding to 111234427 its reverse (724432111), we get a palindrome (835666538).

The spelling of 111234427 in words is "one hundred eleven million, two hundred thirty-four thousand, four hundred twenty-seven".