1040321203 has 2 divisors, whose sum is σ = 1040321204. Its totient is φ = 1040321202.

The previous prime is 1040321201. The next prime is 1040321207. The reversal of 1040321203 is 3021230401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040321203 - 2¹ = 1040321201 is a prime.

It is a super-2 number, since 2×1040321203² = 2164536410822734418, which contains 22 as substring.

Together with 1040321201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1040321201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520160601 + 520160602.

It is an arithmetic number, because the mean of its divisors is an integer number (520160602).

Almost surely, 2^1040321203 is an apocalyptic number.

1040321203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040321203 is an equidigital number, since it uses as much as digits as its factorization.

1040321203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1040321203 is about 32254.0106498401. The cubic root of 1040321203 is about 1013.2636975198.

Adding to 1040321203 its reverse (3021230401), we get a palindrome (4061551604).

The spelling of 1040321203 in words is "one billion, forty million, three hundred twenty-one thousand, two hundred three".