1201222103 has 2 divisors, whose sum is σ = 1201222104. Its totient is φ = 1201222102.

The previous prime is 1201222093. The next prime is 1201222109. The reversal of 1201222103 is 3012221021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201222103 - 2²⁴ = 1184444887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201222109) 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, 600611051 + 600611052.

It is an arithmetic number, because the mean of its divisors is an integer number (600611052).

Almost surely, 2^1201222103 is an apocalyptic number.

1201222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201222103 is an equidigital number, since it uses as much as digits as its factorization.

1201222103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201222103 is about 34658.6511999529. The cubic root of 1201222103 is about 1063.0191907405.

Adding to 1201222103 its reverse (3012221021), we get a palindrome (4213443124).

The spelling of 1201222103 in words is "one billion, two hundred one million, two hundred twenty-two thousand, one hundred three".