1051443 has 6 divisors (see below), whose sum is σ = 1518764. Its totient is φ = 700956.

The previous prime is 1051423. The next prime is 1051459. The reversal of 1051443 is 3441501.

It is a happy number.

It is not a de Polignac number, because 1051443 - 2¹⁷ = 920371 is a prime.

It is a super-2 number, since 2×1051443² = 2211064764498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051423) 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, 58405 + ... + 58422.

2^1051443 is an apocalyptic number.

1051443 is a deficient number, since it is larger than the sum of its proper divisors (467321).

1051443 is a wasteful number, since it uses less digits than its factorization.

1051443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116833 (or 116830 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1051443 is about 1025.3989467519. The cubic root of 1051443 is about 101.6861750017.

Adding to 1051443 its reverse (3441501), we get a palindrome (4492944).

The spelling of 1051443 in words is "one million, fifty-one thousand, four hundred forty-three".