1105043117 has 2 divisors, whose sum is σ = 1105043118. Its totient is φ = 1105043116.

The previous prime is 1105043089. The next prime is 1105043131. The reversal of 1105043117 is 7113405011.

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., 875035561 + 230007556 = 29581^2 + 15166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105043117 - 2²² = 1100848813 is a prime.

It is a super-2 number, since 2×1105043117² = 2442240580858151378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105043092 and 1105043101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105048117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552521558 + 552521559.

It is an arithmetic number, because the mean of its divisors is an integer number (552521559).

Almost surely, 2^1105043117 is an apocalyptic number.

It is an amenable number.

1105043117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105043117 is an equidigital number, since it uses as much as digits as its factorization.

1105043117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1105043117 is about 33242.1888118096. The cubic root of 1105043117 is about 1033.8552590443.

Adding to 1105043117 its reverse (7113405011), we get a palindrome (8218448128).

The spelling of 1105043117 in words is "one billion, one hundred five million, forty-three thousand, one hundred seventeen".