1074643 has 2 divisors, whose sum is σ = 1074644. Its totient is φ = 1074642.

The previous prime is 1074641. The next prime is 1074649. The reversal of 1074643 is 3464701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1074643 - 2¹ = 1074641 is a prime.

Together with 1074641, it forms a pair of twin primes.

1074643 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1074641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537321 + 537322.

It is an arithmetic number, because the mean of its divisors is an integer number (537322).

2^1074643 is an apocalyptic number.

1074643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074643 is an equidigital number, since it uses as much as digits as its factorization.

1074643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1074643 is about 1036.6498926832. The cubic root of 1074643 is about 102.4286396028.

The spelling of 1074643 in words is "one million, seventy-four thousand, six hundred forty-three".