1303200121 has 2 divisors, whose sum is σ = 1303200122. Its totient is φ = 1303200120.

The previous prime is 1303200109. The next prime is 1303200133. The reversal of 1303200121 is 1210023031.

It is a balanced prime because it is at equal distance from previous prime (1303200109) and next prime (1303200133).

It can be written as a sum of positive squares in only one way, i.e., 1097994496 + 205205625 = 33136^2 + 14325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303200121 - 2⁹ = 1303199609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303200191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651600060 + 651600061.

It is an arithmetic number, because the mean of its divisors is an integer number (651600061).

Almost surely, 2^1303200121 is an apocalyptic number.

It is an amenable number.

1303200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303200121 is an equidigital number, since it uses as much as digits as its factorization.

1303200121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1303200121 is about 36099.8631714858. The cubic root of 1303200121 is about 1092.2876849520.

Adding to 1303200121 its reverse (1210023031), we get a palindrome (2513223152).

The spelling of 1303200121 in words is "one billion, three hundred three million, two hundred thousand, one hundred twenty-one".