1040321204 has 12 divisors (see below), whose sum is σ = 1960605444. Its totient is φ = 480148224.

The previous prime is 1040321203. The next prime is 1040321207. The reversal of 1040321204 is 4021230401.

It can be written as a sum of positive squares in 2 ways, for example, as 112996900 + 927324304 = 10630^2 + 30452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040321201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10003037 + ... + 10003140.

It is an arithmetic number, because the mean of its divisors is an integer number (163383787).

Almost surely, 2^1040321204 is an apocalyptic number.

It is an amenable number.

1040321204 is a deficient number, since it is larger than the sum of its proper divisors (920284240).

1040321204 is a wasteful number, since it uses less digits than its factorization.

1040321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20006194 (or 20006192 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040321204 is about 32254.0106653421. The cubic root of 1040321204 is about 1013.2636978445.

Adding to 1040321204 its reverse (4021230401), we get a palindrome (5061551605).

The spelling of 1040321204 in words is "one billion, forty million, three hundred twenty-one thousand, two hundred four".