9072103 has 4 divisors (see below), whose sum is σ = 9220888. Its totient is φ = 8923320.

The previous prime is 9072083. The next prime is 9072109. The reversal of 9072103 is 3012709.

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 9072103 - 2⁵ = 9072071 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9072109) 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, 74301 + ... + 74422.

It is an arithmetic number, because the mean of its divisors is an integer number (2305222).

Almost surely, 2^9072103 is an apocalyptic number.

9072103 is a deficient number, since it is larger than the sum of its proper divisors (148785).

9072103 is a wasteful number, since it uses less digits than its factorization.

9072103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148784.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 9072103 is about 3011.9931938834. The cubic root of 9072103 is about 208.5623879996.

The spelling of 9072103 in words is "nine million, seventy-two thousand, one hundred three".