1301222003 has 2 divisors, whose sum is σ = 1301222004. Its totient is φ = 1301222002.

The previous prime is 1301221997. The next prime is 1301222029. The reversal of 1301222003 is 3002221031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301222003 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1301222603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650611001 + 650611002.

It is an arithmetic number, because the mean of its divisors is an integer number (650611002).

Almost surely, 2^1301222003 is an apocalyptic number.

1301222003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301222003 is an equidigital number, since it uses as much as digits as its factorization.

1301222003 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 1301222003 is about 36072.4549067568. The cubic root of 1301222003 is about 1091.7347465755.

Adding to 1301222003 its reverse (3002221031), we get a palindrome (4303443034).

The spelling of 1301222003 in words is "one billion, three hundred one million, two hundred twenty-two thousand, three".