1042311 has 4 divisors (see below), whose sum is σ = 1389752. Its totient is φ = 694872.

The previous prime is 1042309. The next prime is 1042331. The reversal of 1042311 is 1132401.

It is a happy number.

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

It is not a de Polignac number, because 1042311 - 2¹ = 1042309 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042331) 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, 173716 + ... + 173721.

It is an arithmetic number, because the mean of its divisors is an integer number (347438).

2^1042311 is an apocalyptic number.

1042311 is a deficient number, since it is larger than the sum of its proper divisors (347441).

1042311 is an equidigital number, since it uses as much as digits as its factorization.

1042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347440.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1042311 is about 1020.9363349396. The cubic root of 1042311 is about 101.3909301008.

Adding to 1042311 its reverse (1132401), we get a palindrome (2174712).

It can be divided in two parts, 104 and 2311, that added together give a triangular number (2415 = T₆₉).

The spelling of 1042311 in words is "one million, forty-two thousand, three hundred eleven".