1045117 has 2 divisors, whose sum is σ = 1045118. Its totient is φ = 1045116.

The previous prime is 1045111. The next prime is 1045123. The reversal of 1045117 is 7115401.

It is a balanced prime because it is at equal distance from previous prime (1045111) and next prime (1045123).

It can be written as a sum of positive squares in only one way, i.e., 556516 + 488601 = 746^2 + 699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045094 and 1045103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522558 + 522559.

It is an arithmetic number, because the mean of its divisors is an integer number (522559).

2^1045117 is an apocalyptic number.

It is an amenable number.

1045117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045117 is an equidigital number, since it uses as much as digits as its factorization.

1045117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1045117 is about 1022.3096399819. The cubic root of 1045117 is about 101.4818332407.

It can be divided in two parts, 1045 and 117, that multiplied together give a triangular number (122265 = T₄₉₄).

The spelling of 1045117 in words is "one million, forty-five thousand, one hundred seventeen".