1040004003 has 8 divisors (see below), whose sum is σ = 1434488400. Its totient is φ = 669427808.

The previous prime is 1040003999. The next prime is 1040004013. The reversal of 1040004003 is 3004000401.

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 1040004003 - 2² = 1040003999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040004003.

It is not an unprimeable number, because it can be changed into a prime (1040004013) 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, 5976948 + ... + 5977121.

It is an arithmetic number, because the mean of its divisors is an integer number (179311050).

Almost surely, 2^1040004003 is an apocalyptic number.

1040004003 is a deficient number, since it is larger than the sum of its proper divisors (394484397).

1040004003 is a wasteful number, since it uses less digits than its factorization.

1040004003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954101.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1040004003 is about 32249.0930570148. The cubic root of 1040004003 is about 1013.1607037150.

Adding to 1040004003 its reverse (3004000401), we get a palindrome (4044004404).

The spelling of 1040004003 in words is "one billion, forty million, four thousand, three".