1162643 has 4 divisors (see below), whose sum is σ = 1177440. Its totient is φ = 1147848.

The previous prime is 1162631. The next prime is 1162649. The reversal of 1162643 is 3462611.

It is a happy number.

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 1162643 - 2¹⁰ = 1161619 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1162649) 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, 7280 + ... + 7437.

It is an arithmetic number, because the mean of its divisors is an integer number (294360).

2^1162643 is an apocalyptic number.

1162643 is a deficient number, since it is larger than the sum of its proper divisors (14797).

1162643 is an equidigital number, since it uses as much as digits as its factorization.

1162643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796.

The product of its digits is 864, while the sum is 23.

The square root of 1162643 is about 1078.2592452653. The cubic root of 1162643 is about 105.1514971078.

Subtracting 1162643 from its reverse (3462611), we obtain a cube (2299968 = 132³).

The spelling of 1162643 in words is "one million, one hundred sixty-two thousand, six hundred forty-three".