1245106211 has 2 divisors, whose sum is σ = 1245106212. Its totient is φ = 1245106210.

The previous prime is 1245106201. The next prime is 1245106229. The reversal of 1245106211 is 1126015421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1245106211 - 2¹⁰ = 1245105187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245106201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622553105 + 622553106.

It is an arithmetic number, because the mean of its divisors is an integer number (622553106).

Almost surely, 2^1245106211 is an apocalyptic number.

1245106211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245106211 is an equidigital number, since it uses as much as digits as its factorization.

1245106211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1245106211 is about 35286.0625601667. The cubic root of 1245106211 is about 1075.8097266197.

The spelling of 1245106211 in words is "one billion, two hundred forty-five million, one hundred six thousand, two hundred eleven".