1270143 has 12 divisors (see below), whose sum is σ = 2096848. Its totient is φ = 725760.

The previous prime is 1270141. The next prime is 1270147. The reversal of 1270143 is 3410721.

It is not a de Polignac number, because 1270143 - 2¹ = 1270141 is a prime.

It is a super-2 number, since 2×1270143² = 3226526480898, which contains 22 as substring.

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 (1270141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10018 + ... + 10143.

2^1270143 is an apocalyptic number.

1270143 is a deficient number, since it is larger than the sum of its proper divisors (826705).

1270143 is a wasteful number, since it uses less digits than its factorization.

1270143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20174 (or 20171 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1270143 is about 1127.0062111630. The cubic root of 1270143 is about 108.2972776791.

Adding to 1270143 its reverse (3410721), we get a palindrome (4680864).

The spelling of 1270143 in words is "one million, two hundred seventy thousand, one hundred forty-three".