1004103405 has 16 divisors (see below), whose sum is σ = 1785072960. Its totient is φ = 535521744.

The previous prime is 1004103383. The next prime is 1004103409. The reversal of 1004103405 is 5043014001.

It is a happy number.

It is not a de Polignac number, because 1004103405 - 2¹⁸ = 1003841261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004103409) 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, 3718767 + ... + 3719036.

It is an arithmetic number, because the mean of its divisors is an integer number (111567060).

Almost surely, 2^1004103405 is an apocalyptic number.

1004103405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004103405 is a deficient number, since it is larger than the sum of its proper divisors (780969555).

1004103405 is an equidigital number, since it uses as much as digits as its factorization.

1004103405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7437817 (or 7437811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1004103405 is about 31687.5907099293. The cubic root of 1004103405 is about 1001.3659350386.

Adding to 1004103405 its reverse (5043014001), we get a palindrome (6047117406).

The spelling of 1004103405 in words is "one billion, four million, one hundred three thousand, four hundred five".