1004021103 has 16 divisors (see below), whose sum is σ = 1356343776. Its totient is φ = 660566400.

The previous prime is 1004021069. The next prime is 1004021111. The reversal of 1004021103 is 3011204001.

It is a happy number.

It is not a de Polignac number, because 1004021103 - 2¹⁶ = 1003955567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004021303) 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, 90825 + ... + 101277.

It is an arithmetic number, because the mean of its divisors is an integer number (84771486).

Almost surely, 2^1004021103 is an apocalyptic number.

1004021103 is a deficient number, since it is larger than the sum of its proper divisors (352322673).

1004021103 is a wasteful number, since it uses less digits than its factorization.

1004021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1004021103 is about 31686.2920361471. The cubic root of 1004021103 is about 1001.3385750839.

Adding to 1004021103 its reverse (3011204001), we get a palindrome (4015225104).

The spelling of 1004021103 in words is "one billion, four million, twenty-one thousand, one hundred three".