1004121203 has 2 divisors, whose sum is σ = 1004121204. Its totient is φ = 1004121202.

The previous prime is 1004121193. The next prime is 1004121227. The reversal of 1004121203 is 3021214001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004121203 - 2¹⁰ = 1004120179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502060601 + 502060602.

It is an arithmetic number, because the mean of its divisors is an integer number (502060602).

Almost surely, 2^1004121203 is an apocalyptic number.

1004121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004121203 is an equidigital number, since it uses as much as digits as its factorization.

1004121203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1004121203 is about 31687.8715441729. The cubic root of 1004121203 is about 1001.3718514962.

Adding to 1004121203 its reverse (3021214001), we get a palindrome (4025335204).

The spelling of 1004121203 in words is "one billion, four million, one hundred twenty-one thousand, two hundred three".