1200302513 has 2 divisors, whose sum is σ = 1200302514. Its totient is φ = 1200302512.

The previous prime is 1200302507. The next prime is 1200302531. The reversal of 1200302513 is 3152030021.

Together with next prime (1200302531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187284849 + 13017664 = 34457^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200302513 - 2¹⁰ = 1200301489 is a prime.

It is a super-2 number, since 2×1200302513² = 2881452245428230338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200302491 and 1200302500.

It is not a weakly prime, because it can be changed into another prime (1200302503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600151256 + 600151257.

It is an arithmetic number, because the mean of its divisors is an integer number (600151257).

Almost surely, 2^1200302513 is an apocalyptic number.

It is an amenable number.

1200302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200302513 is an equidigital number, since it uses as much as digits as its factorization.

1200302513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1200302513 is about 34645.3822752759. The cubic root of 1200302513 is about 1062.7478583554.

Adding to 1200302513 its reverse (3152030021), we get a palindrome (4352332534).

The spelling of 1200302513 in words is "one billion, two hundred million, three hundred two thousand, five hundred thirteen".