1050643 has 12 divisors (see below), whose sum is σ = 1218280. Its totient is φ = 902880.

The previous prime is 1050631. The next prime is 1050713. The reversal of 1050643 is 3460501.

It is not a de Polignac number, because 1050643 - 2⁵ = 1050611 is a prime.

It is a super-2 number, since 2×1050643² = 2207701426898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1050643.

It is not an unprimeable number, because it can be changed into a prime (1050743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 2527.

2^1050643 is an apocalyptic number.

1050643 is a deficient number, since it is larger than the sum of its proper divisors (167637).

1050643 is a wasteful number, since it uses less digits than its factorization.

1050643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1050643 is about 1025.0087804502. The cubic root of 1050643 is about 101.6603788401.

It can be divided in two parts, 10 and 50643, that added together give a cube (50653 = 37³).

The spelling of 1050643 in words is "one million, fifty thousand, six hundred forty-three".