1105217 has 2 divisors, whose sum is σ = 1105218. Its totient is φ = 1105216.

The previous prime is 1105213. The next prime is 1105231. The reversal of 1105217 is 7125011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 323761 = 884^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105217 - 2² = 1105213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1105195 and 1105204.

It is not a weakly prime, because it can be changed into another prime (1105213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552608 + 552609.

It is an arithmetic number, because the mean of its divisors is an integer number (552609).

2^1105217 is an apocalyptic number.

It is an amenable number.

1105217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105217 is an equidigital number, since it uses as much as digits as its factorization.

1105217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1105217 is about 1051.2930133888. The cubic root of 1105217 is about 103.3909483301.

The spelling of 1105217 in words is "one million, one hundred five thousand, two hundred seventeen".