111404071 has 2 divisors, whose sum is σ = 111404072.
Its totient is φ = 111404070.
The previous prime is 111404047. The next prime is 111404107. The reversal of 111404071 is 170404111.
Together with next prime (111404107) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 111404071 - 215 = 111371303 is a prime.
It is a super-3 number, since 3×1114040713 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (111404021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702035 + 55702036.
It is an arithmetic number, because the mean of its divisors is an integer number (55702036).
Almost surely, 2111404071 is an apocalyptic number.
111404071 is a deficient number, since it is larger than the sum of its proper divisors (1).
111404071 is an equidigital number, since it uses as much as digits as its factorization.
111404071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 19.
The square root of 111404071 is about 10554.8126937431.
The cubic root of 111404071 is about 481.1720072406.
Adding to 111404071 its reverse (170404111), we get a palindrome (281808182).
It can be divided in two parts, 1114040 and 71, that added together give a palindrome (1114111).
The spelling of 111404071 in words is "one hundred eleven million, four hundred four thousand, seventy-one".