3012143 has 4 divisors (see below), whose sum is σ = 3116040. Its totient is φ = 2908248.

The previous prime is 3012137. The next prime is 3012161. The reversal of 3012143 is 3412103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412103 = 37 ⋅92219.

It is a cyclic number.

It is not a de Polignac number, because 3012143 - 2⁸ = 3011887 is a prime.

It is an Ulam number.

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 (3012343) 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, 51905 + ... + 51962.

It is an arithmetic number, because the mean of its divisors is an integer number (779010).

Almost surely, 2^3012143 is an apocalyptic number.

3012143 is a deficient number, since it is larger than the sum of its proper divisors (103897).

3012143 is a wasteful number, since it uses less digits than its factorization.

3012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103896.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3012143 is about 1735.5526497344. The cubic root of 3012143 is about 144.4192865894.

Adding to 3012143 its reverse (3412103), we get a palindrome (6424246).

The spelling of 3012143 in words is "three million, twelve thousand, one hundred forty-three".