1042417 has 4 divisors (see below), whose sum is σ = 1045156. Its totient is φ = 1039680.

The previous prime is 1042399. The next prime is 1042427. The reversal of 1042417 is 7142401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 776161 + 266256 = 881^2 + 516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042417 - 2¹⁵ = 1009649 is a prime.

It is a deceptive number, since it divides R_1042416.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042394 and 1042403.

It is not an unprimeable number, because it can be changed into a prime (1042427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (261289).

2^1042417 is an apocalyptic number.

It is an amenable number.

1042417 is a deficient number, since it is larger than the sum of its proper divisors (2739).

1042417 is an equidigital number, since it uses as much as digits as its factorization.

1042417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1042417 is about 1020.9882467492. The cubic root of 1042417 is about 101.3943670386.

Adding to 1042417 its reverse (7142401), we get a palindrome (8184818).

The spelling of 1042417 in words is "one million, forty-two thousand, four hundred seventeen".