974143 has 2 divisors, whose sum is σ = 974144. Its totient is φ = 974142.

The previous prime is 974137. The next prime is 974147. The reversal of 974143 is 341479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 974143 - 2⁹ = 973631 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487071 + 487072.

It is an arithmetic number, because the mean of its divisors is an integer number (487072).

2⁹⁷⁴¹⁴³ is an apocalyptic number.

974143 is a deficient number, since it is larger than the sum of its proper divisors (1).

974143 is an equidigital number, since it uses as much as digits as its factorization.

974143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 974143 is about 986.9868286862. The cubic root of 974143 is about 99.1305626953.

The spelling of 974143 in words is "nine hundred seventy-four thousand, one hundred forty-three".