1042263 has 6 divisors (see below), whose sum is σ = 1505504. Its totient is φ = 694836.

The previous prime is 1042259. The next prime is 1042267. The reversal of 1042263 is 3622401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1042259) and next prime (1042267).

It is not a de Polignac number, because 1042263 - 2² = 1042259 is a prime.

It is a super-2 number, since 2×1042263² = 2172624322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57895 + ... + 57912.

2^1042263 is an apocalyptic number.

1042263 is a deficient number, since it is larger than the sum of its proper divisors (463241).

1042263 is a wasteful number, since it uses less digits than its factorization.

1042263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115813 (or 115810 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1042263 is about 1020.9128268368. The cubic root of 1042263 is about 101.3893736749.

Adding to 1042263 its reverse (3622401), we get a palindrome (4664664).

The spelling of 1042263 in words is "one million, forty-two thousand, two hundred sixty-three".