1074143 has 4 divisors (see below), whose sum is σ = 1227600. Its totient is φ = 920688.

The previous prime is 1074133. The next prime is 1074167. The reversal of 1074143 is 3414701.

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 1074143 - 2⁶ = 1074079 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074113) 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, 76718 + ... + 76731.

It is an arithmetic number, because the mean of its divisors is an integer number (306900).

2^1074143 is an apocalyptic number.

1074143 is a deficient number, since it is larger than the sum of its proper divisors (153457).

1074143 is an equidigital number, since it uses as much as digits as its factorization.

1074143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153456.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1074143 is about 1036.4087031669. The cubic root of 1074143 is about 102.4127514536.

Adding to 1074143 its reverse (3414701), we get a palindrome (4488844).

The spelling of 1074143 in words is "one million, seventy-four thousand, one hundred forty-three".