111308426 has 8 divisors (see below), whose sum is σ = 167184324. Its totient is φ = 55580320.

The previous prime is 111308423. The next prime is 111308453. The reversal of 111308426 is 624803111.

It can be written as a sum of positive squares in 2 ways, for example, as 105781225 + 5527201 = 10285^2 + 2351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111308395 and 111308404.

It is not an unprimeable number, because it can be changed into a prime (111308423) 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 in 3 ways as a sum of consecutive naturals, for example, 35045 + ... + 38088.

Almost surely, 2^111308426 is an apocalyptic number.

111308426 is a deficient number, since it is larger than the sum of its proper divisors (55875898).

111308426 is an equidigital number, since it uses as much as digits as its factorization.

111308426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73896.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 111308426 is about 10550.2808493424. The cubic root of 111308426 is about 481.0342657948.

The spelling of 111308426 in words is "one hundred eleven million, three hundred eight thousand, four hundred twenty-six".