1375143 has 16 divisors (see below), whose sum is σ = 2286336. Its totient is φ = 714240.

The previous prime is 1375141. The next prime is 1375159. The reversal of 1375143 is 3415731.

It is not a de Polignac number, because 1375143 - 2¹ = 1375141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2746 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (142896).

2^1375143 is an apocalyptic number.

1375143 is a deficient number, since it is larger than the sum of its proper divisors (911193).

1375143 is a wasteful number, since it uses less digits than its factorization.

1375143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974.

The product of its digits is 1260, while the sum is 24.

The square root of 1375143 is about 1172.6649137755. The cubic root of 1375143 is about 111.2028592937.

The spelling of 1375143 in words is "one million, three hundred seventy-five thousand, one hundred forty-three".