1202224913 has 2 divisors, whose sum is σ = 1202224914. Its totient is φ = 1202224912.

The previous prime is 1202224897. The next prime is 1202224939. The reversal of 1202224913 is 3194222021.

It is an a-pointer prime, because the next prime (1202224939) can be obtained adding 1202224913 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1106028049 + 96196864 = 33257^2 + 9808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202224913 - 2⁴ = 1202224897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202224013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601112456 + 601112457.

It is an arithmetic number, because the mean of its divisors is an integer number (601112457).

Almost surely, 2^1202224913 is an apocalyptic number.

It is an amenable number.

1202224913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202224913 is an equidigital number, since it uses as much as digits as its factorization.

1202224913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1202224913 is about 34673.1151326211. The cubic root of 1202224913 is about 1063.3149200556.

Adding to 1202224913 its reverse (3194222021), we get a palindrome (4396446934).

The spelling of 1202224913 in words is "one billion, two hundred two million, two hundred twenty-four thousand, nine hundred thirteen".