1203122003 has 2 divisors, whose sum is σ = 1203122004. Its totient is φ = 1203122002.

The previous prime is 1203121981. The next prime is 1203122117. The reversal of 1203122003 is 3002213021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3002213021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203122003 - 2¹² = 1203117907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203122603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601561001 + 601561002.

It is an arithmetic number, because the mean of its divisors is an integer number (601561002).

Almost surely, 2^1203122003 is an apocalyptic number.

1203122003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203122003 is an equidigital number, since it uses as much as digits as its factorization.

1203122003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1203122003 is about 34686.0491119989. The cubic root of 1203122003 is about 1063.5793331473.

Adding to 1203122003 its reverse (3002213021), we get a palindrome (4205335024).

The spelling of 1203122003 in words is "one billion, two hundred three million, one hundred twenty-two thousand, three".