120003143 has 8 divisors (see below), whose sum is σ = 130792368. Its totient is φ = 109436544.

The previous prime is 120003127. The next prime is 120003151. The reversal of 120003143 is 341300021.

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

It is a cyclic number.

It is not a de Polignac number, because 120003143 - 2⁴ = 120003127 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 (120003113) 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, 54530 + ... + 56687.

It is an arithmetic number, because the mean of its divisors is an integer number (16349046).

Almost surely, 2^120003143 is an apocalyptic number.

120003143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120003143 is a deficient number, since it is larger than the sum of its proper divisors (10789225).

120003143 is a wasteful number, since it uses less digits than its factorization.

120003143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111313.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120003143 is about 10954.5946068305. The cubic root of 120003143 is about 493.2467211088.

Adding to 120003143 its reverse (341300021), we get a palindrome (461303164).

The spelling of 120003143 in words is "one hundred twenty million, three thousand, one hundred forty-three".