1107143 has 4 divisors (see below), whose sum is σ = 1109448. Its totient is φ = 1104840.

The previous prime is 1107109. The next prime is 1107157. The reversal of 1107143 is 3417011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1107143 - 2¹⁴ = 1090759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107173) 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, 128 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (277362).

2^1107143 is an apocalyptic number.

1107143 is a deficient number, since it is larger than the sum of its proper divisors (2305).

1107143 is an equidigital number, since it uses as much as digits as its factorization.

1107143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1107143 is about 1052.2086295027. The cubic root of 1107143 is about 103.4509713563.

The spelling of 1107143 in words is "one million, one hundred seven thousand, one hundred forty-three".