2147043 has 4 divisors (see below), whose sum is σ = 2862728. Its totient is φ = 1431360.

The previous prime is 2147039. The next prime is 2147051. The reversal of 2147043 is 3407412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2147043 - 2² = 2147039 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147023) 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, 357838 + ... + 357843.

It is an arithmetic number, because the mean of its divisors is an integer number (715682).

2^2147043 is an apocalyptic number.

2147043 is a deficient number, since it is larger than the sum of its proper divisors (715685).

2147043 is an equidigital number, since it uses as much as digits as its factorization.

2147043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715684.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2147043 is about 1465.2791542911. The cubic root of 2147043 is about 129.0070905303.

The spelling of 2147043 in words is "two million, one hundred forty-seven thousand, forty-three".