1042291 has 4 divisors (see below), whose sum is σ = 1087632. Its totient is φ = 996952.

The previous prime is 1042273. The next prime is 1042309. The reversal of 1042291 is 1922401.

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

It is an interprime number because it is at equal distance from previous prime (1042273) and next prime (1042309).

It is a cyclic number.

It is not a de Polignac number, because 1042291 - 2⁵ = 1042259 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1042211) 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, 22636 + ... + 22681.

It is an arithmetic number, because the mean of its divisors is an integer number (271908).

2^1042291 is an apocalyptic number.

1042291 is a deficient number, since it is larger than the sum of its proper divisors (45341).

1042291 is an equidigital number, since it uses as much as digits as its factorization.

1042291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45340.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1042291 is about 1020.9265399626. The cubic root of 1042291 is about 101.3902815958.

Adding to 1042291 its reverse (1922401), we get a palindrome (2964692).

The spelling of 1042291 in words is "one million, forty-two thousand, two hundred ninety-one".