1201222027 has 2 divisors, whose sum is σ = 1201222028. Its totient is φ = 1201222026.

The previous prime is 1201221961. The next prime is 1201222031. The reversal of 1201222027 is 7202221021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201222027 - 2¹⁹ = 1200697739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201221995 and 1201222013.

It is not a weakly prime, because it can be changed into another prime (1201222037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600611013 + 600611014.

It is an arithmetic number, because the mean of its divisors is an integer number (600611014).

Almost surely, 2^1201222027 is an apocalyptic number.

1201222027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201222027 is an equidigital number, since it uses as much as digits as its factorization.

1201222027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1201222027 is about 34658.6501035456. The cubic root of 1201222027 is about 1063.0191683218.

Adding to 1201222027 its reverse (7202221021), we get a palindrome (8403443048).

The spelling of 1201222027 in words is "one billion, two hundred one million, two hundred twenty-two thousand, twenty-seven".