1040203103 has 8 divisors (see below), whose sum is σ = 1047709728. Its totient is φ = 1032722944.

The previous prime is 1040203093. The next prime is 1040203111. The reversal of 1040203103 is 3013020401.

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 1040203103 - 2⁸ = 1040202847 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 (1040203133) 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, 75926 + ... + 88572.

It is an arithmetic number, because the mean of its divisors is an integer number (130963716).

Almost surely, 2^1040203103 is an apocalyptic number.

1040203103 is a deficient number, since it is larger than the sum of its proper divisors (7506625).

1040203103 is a wasteful number, since it uses less digits than its factorization.

1040203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233.

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

The square root of 1040203103 is about 32252.1798178046. The cubic root of 1040203103 is about 1013.2253532819.

Adding to 1040203103 its reverse (3013020401), we get a palindrome (4053223504).

The spelling of 1040203103 in words is "one billion, forty million, two hundred three thousand, one hundred three".