1211367103 has 2 divisors, whose sum is σ = 1211367104. Its totient is φ = 1211367102.

The previous prime is 1211367089. The next prime is 1211367107. The reversal of 1211367103 is 3017631121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211367103 - 2⁹ = 1211366591 is a prime.

It is a super-2 number, since 2×1211367103² = 2934820516461225218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211367107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605683551 + 605683552.

It is an arithmetic number, because the mean of its divisors is an integer number (605683552).

Almost surely, 2^1211367103 is an apocalyptic number.

1211367103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211367103 is an equidigital number, since it uses as much as digits as its factorization.

1211367103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1211367103 is about 34804.6994384379. The cubic root of 1211367103 is about 1066.0034047320.

Adding to 1211367103 its reverse (3017631121), we get a palindrome (4228998224).

The spelling of 1211367103 in words is "one billion, two hundred eleven million, three hundred sixty-seven thousand, one hundred three".