2143011 has 8 divisors (see below), whose sum is σ = 3077200. Its totient is φ = 1318752.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2143011 is 1103412.

It is a happy number.

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

It is not a de Polignac number, because 2143011 - 2⁷ = 2142883 is a prime.

It is a super-2 number, since 2×2143011² = 9184992292242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143019) 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, 27436 + ... + 27513.

It is an arithmetic number, because the mean of its divisors is an integer number (384650).

2^2143011 is an apocalyptic number.

2143011 is a deficient number, since it is larger than the sum of its proper divisors (934189).

2143011 is a wasteful number, since it uses less digits than its factorization.

2143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54965.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2143011 is about 1463.9026606984. The cubic root of 2143011 is about 128.9262844270.

Adding to 2143011 its reverse (1103412), we get a palindrome (3246423).

The spelling of 2143011 in words is "two million, one hundred forty-three thousand, eleven".