4012143 has 8 divisors (see below), whose sum is σ = 5582208. Its totient is φ = 2558424.

The previous prime is 4012133. The next prime is 4012147. The reversal of 4012143 is 3412104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4012143 - 2⁵ = 4012111 is a prime.

4012143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29005 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (697776).

Almost surely, 2^4012143 is an apocalyptic number.

4012143 is a deficient number, since it is larger than the sum of its proper divisors (1570065).

4012143 is a wasteful number, since it uses less digits than its factorization.

4012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58173.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4012143 is about 2003.0334495460. The cubic root of 4012143 is about 158.9005746826.

Adding to 4012143 its reverse (3412104), we get a palindrome (7424247).

The spelling of 4012143 in words is "four million, twelve thousand, one hundred forty-three".