120003043 has 4 divisors (see below), whose sum is σ = 121970368. Its totient is φ = 118035720.

The previous prime is 120003011. The next prime is 120003053. The reversal of 120003043 is 340300021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340300021 = 3911 ⋅87011.

It is a cyclic number.

It is not a de Polignac number, because 120003043 - 2⁵ = 120003011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120003053) 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, 983571 + ... + 983692.

It is an arithmetic number, because the mean of its divisors is an integer number (30492592).

Almost surely, 2^120003043 is an apocalyptic number.

120003043 is a deficient number, since it is larger than the sum of its proper divisors (1967325).

120003043 is an equidigital number, since it uses as much as digits as its factorization.

120003043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967324.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 120003043 is about 10954.5900425347. The cubic root of 120003043 is about 493.2465840994.

Adding to 120003043 its reverse (340300021), we get a palindrome (460303064).

The spelling of 120003043 in words is "one hundred twenty million, three thousand, forty-three".