1051343 has 4 divisors (see below), whose sum is σ = 1073760. Its totient is φ = 1028928.

The previous prime is 1051333. The next prime is 1051373. The reversal of 1051343 is 3431501.

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

It is a cyclic number.

It is not a de Polignac number, because 1051343 - 2¹² = 1047247 is a prime.

It is a super-2 number, since 2×1051343² = 2210644207298, 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 (1051313) 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, 11138 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (268440).

2^1051343 is an apocalyptic number.

1051343 is a deficient number, since it is larger than the sum of its proper divisors (22417).

1051343 is an equidigital number, since it uses as much as digits as its factorization.

1051343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22416.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1051343 is about 1025.3501840835. The cubic root of 1051343 is about 101.6829511972.

Adding to 1051343 its reverse (3431501), we get a palindrome (4482844).

The spelling of 1051343 in words is "one million, fifty-one thousand, three hundred forty-three".