1202220247 has 2 divisors, whose sum is σ = 1202220248. Its totient is φ = 1202220246.

The previous prime is 1202220199. The next prime is 1202220251. The reversal of 1202220247 is 7420222021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202220247 - 2¹⁹ = 1201695959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202220647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601110123 + 601110124.

It is an arithmetic number, because the mean of its divisors is an integer number (601110124).

Almost surely, 2^1202220247 is an apocalyptic number.

1202220247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202220247 is an equidigital number, since it uses as much as digits as its factorization.

1202220247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1202220247 is about 34673.0478469949. The cubic root of 1202220247 is about 1063.3135444300.

Adding to 1202220247 its reverse (7420222021), we get a palindrome (8622442268).

The spelling of 1202220247 in words is "one billion, two hundred two million, two hundred twenty thousand, two hundred forty-seven".