1212579763 has 2 divisors, whose sum is σ = 1212579764. Its totient is φ = 1212579762.

The previous prime is 1212579751. The next prime is 1212579779. The reversal of 1212579763 is 3679752121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212579763 - 2²⁹ = 675708851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212579703) 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, 606289881 + 606289882.

It is an arithmetic number, because the mean of its divisors is an integer number (606289882).

Almost surely, 2^1212579763 is an apocalyptic number.

1212579763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212579763 is an equidigital number, since it uses as much as digits as its factorization.

1212579763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 1212579763 is about 34822.1160040570. The cubic root of 1212579763 is about 1066.3589998183.

The spelling of 1212579763 in words is "one billion, two hundred twelve million, five hundred seventy-nine thousand, seven hundred sixty-three".