111130417 has 2 divisors, whose sum is σ = 111130418. Its totient is φ = 111130416.

The previous prime is 111130403. The next prime is 111130423. The reversal of 111130417 is 714031111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109181601 + 1948816 = 10449^2 + 1396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111130417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111130394 and 111130403.

It is not a weakly prime, because it can be changed into another prime (111130477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565208 + 55565209.

It is an arithmetic number, because the mean of its divisors is an integer number (55565209).

Almost surely, 2^111130417 is an apocalyptic number.

It is an amenable number.

111130417 is a deficient number, since it is larger than the sum of its proper divisors (1).

111130417 is an equidigital number, since it uses as much as digits as its factorization.

111130417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 111130417 is about 10541.8412528362. The cubic root of 111130417 is about 480.7776990666. Note that the first 3 decimals are identical.

Adding to 111130417 its reverse (714031111), we get a palindrome (825161528).

The spelling of 111130417 in words is "one hundred eleven million, one hundred thirty thousand, four hundred seventeen".