1004123103 has 16 divisors (see below), whose sum is σ = 1360433760. Its totient is φ = 658658304.

The previous prime is 1004123089. The next prime is 1004123111. The reversal of 1004123103 is 3013214001.

It is not a de Polignac number, because 1004123103 - 2⁹ = 1004122591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004123123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89533 + ... + 100121.

It is an arithmetic number, because the mean of its divisors is an integer number (85027110).

Almost surely, 2^1004123103 is an apocalyptic number.

1004123103 is a deficient number, since it is larger than the sum of its proper divisors (356310657).

1004123103 is a wasteful number, since it uses less digits than its factorization.

1004123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1004123103 is about 31687.9015240833. The cubic root of 1004123103 is about 1001.3724830950.

Adding to 1004123103 its reverse (3013214001), we get a palindrome (4017337104).

The spelling of 1004123103 in words is "one billion, four million, one hundred twenty-three thousand, one hundred three".