1202003113 has 2 divisors, whose sum is σ = 1202003114. Its totient is φ = 1202003112.

The previous prime is 1202003111. The next prime is 1202003119. The reversal of 1202003113 is 3113002021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185906969 + 16096144 = 34437^2 + 4012^2 .

It is an emirp because it is prime and its reverse (3113002021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202003113 - 2¹ = 1202003111 is a prime.

It is a super-2 number, since 2×1202003113² = 2889622967323381538, which contains 22 as substring.

Together with 1202003111, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202003093 and 1202003102.

It is not a weakly prime, because it can be changed into another prime (1202003111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601001556 + 601001557.

It is an arithmetic number, because the mean of its divisors is an integer number (601001557).

Almost surely, 2^1202003113 is an apocalyptic number.

It is an amenable number.

1202003113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202003113 is an equidigital number, since it uses as much as digits as its factorization.

1202003113 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1202003113 is about 34669.9165415782. The cubic root of 1202003113 is about 1063.2495252608.

Adding to 1202003113 its reverse (3113002021), we get a palindrome (4315005134).

The spelling of 1202003113 in words is "one billion, two hundred two million, three thousand, one hundred thirteen".