1201211107 has 2 divisors, whose sum is σ = 1201211108. Its totient is φ = 1201211106.

The previous prime is 1201211069. The next prime is 1201211111. The reversal of 1201211107 is 7011121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201211107 - 2²⁷ = 1066993379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605553 + 600605554.

It is an arithmetic number, because the mean of its divisors is an integer number (600605554).

Almost surely, 2^1201211107 is an apocalyptic number.

1201211107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201211107 is an equidigital number, since it uses as much as digits as its factorization.

1201211107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 1201211107 is about 34658.4925667577. The cubic root of 1201211107 is about 1063.0159471009.

Adding to 1201211107 its reverse (7011121021), we get a palindrome (8212332128).

The spelling of 1201211107 in words is "one billion, two hundred one million, two hundred eleven thousand, one hundred seven".