1560143 has 4 divisors (see below), whose sum is σ = 1680168. Its totient is φ = 1440120.

The previous prime is 1560133. The next prime is 1560149. The reversal of 1560143 is 3410651.

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 1560143 - 2⁴ = 1560127 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 (1560149) 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, 59993 + ... + 60018.

It is an arithmetic number, because the mean of its divisors is an integer number (420042).

2^1560143 is an apocalyptic number.

1560143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1560143 is a deficient number, since it is larger than the sum of its proper divisors (120025).

1560143 is a wasteful number, since it uses less digits than its factorization.

1560143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120024.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1560143 is about 1249.0568441828. The cubic root of 1560143 is about 115.9813436108.

Adding to 1560143 its reverse (3410651), we get a palindrome (4970794).

The spelling of 1560143 in words is "one million, five hundred sixty thousand, one hundred forty-three".