111234649 has 2 divisors, whose sum is σ = 111234650. Its totient is φ = 111234648.

The previous prime is 111234631. The next prime is 111234701. The reversal of 111234649 is 946432111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 26594649 = 9200^2 + 5157^2 .

It is a cyclic number.

It is not a de Polignac number, because 111234649 - 2⁷ = 111234521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111234649.

It is not a weakly prime, because it can be changed into another prime (111231649) 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, 55617324 + 55617325.

It is an arithmetic number, because the mean of its divisors is an integer number (55617325).

Almost surely, 2^111234649 is an apocalyptic number.

It is an amenable number.

111234649 is a deficient number, since it is larger than the sum of its proper divisors (1).

111234649 is an equidigital number, since it uses as much as digits as its factorization.

111234649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 111234649 is about 10546.7838225688. The cubic root of 111234649 is about 480.9279632439.

The spelling of 111234649 in words is "one hundred eleven million, two hundred thirty-four thousand, six hundred forty-nine".