1201422263 has 2 divisors, whose sum is σ = 1201422264. Its totient is φ = 1201422262.

The previous prime is 1201422223. The next prime is 1201422323. The reversal of 1201422263 is 3622241021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201422263 - 2⁶ = 1201422199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201422223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600711131 + 600711132.

It is an arithmetic number, because the mean of its divisors is an integer number (600711132).

Almost surely, 2^1201422263 is an apocalyptic number.

1201422263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201422263 is an equidigital number, since it uses as much as digits as its factorization.

1201422263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1201422263 is about 34661.5386704053. The cubic root of 1201422263 is about 1063.0782311970.

Adding to 1201422263 its reverse (3622241021), we get a palindrome (4823663284).

The spelling of 1201422263 in words is "one billion, two hundred one million, four hundred twenty-two thousand, two hundred sixty-three".