1202817013 has 2 divisors, whose sum is σ = 1202817014. Its totient is φ = 1202817012.

The previous prime is 1202816981. The next prime is 1202817017. The reversal of 1202817013 is 3107182021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 693953649 + 508863364 = 26343^2 + 22558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202817013 - 2⁵ = 1202816981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202817017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601408506 + 601408507.

It is an arithmetic number, because the mean of its divisors is an integer number (601408507).

Almost surely, 2^1202817013 is an apocalyptic number.

It is an amenable number.

1202817013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202817013 is an equidigital number, since it uses as much as digits as its factorization.

1202817013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1202817013 is about 34681.6523971970. The cubic root of 1202817013 is about 1063.4894535192.

Adding to 1202817013 its reverse (3107182021), we get a palindrome (4309999034).

The spelling of 1202817013 in words is "one billion, two hundred two million, eight hundred seventeen thousand, thirteen".