1040320603 has 8 divisors (see below), whose sum is σ = 1193873120. Its totient is φ = 888001920.

The previous prime is 1040320583. The next prime is 1040320609. The reversal of 1040320603 is 3060230401.

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 1040320603 - 2⁵ = 1040320571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040320609) 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, 306648 + ... + 310021.

It is an arithmetic number, because the mean of its divisors is an integer number (149234140).

Almost surely, 2^1040320603 is an apocalyptic number.

1040320603 is a deficient number, since it is larger than the sum of its proper divisors (153552517).

1040320603 is an equidigital number, since it uses as much as digits as its factorization.

1040320603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616917.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1040320603 is about 32254.0013486699. The cubic root of 1040320603 is about 1013.2635027215.

The spelling of 1040320603 in words is "one billion, forty million, three hundred twenty thousand, six hundred three".