1276988203 has 2 divisors, whose sum is σ = 1276988204. Its totient is φ = 1276988202.

The previous prime is 1276988161. The next prime is 1276988249. The reversal of 1276988203 is 3028896721.

It is an a-pointer prime, because the next prime (1276988249) can be obtained adding 1276988203 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (3028896721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1276988203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1276988003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638494101 + 638494102.

It is an arithmetic number, because the mean of its divisors is an integer number (638494102).

Almost surely, 2^1276988203 is an apocalyptic number.

1276988203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276988203 is an equidigital number, since it uses as much as digits as its factorization.

1276988203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1276988203 is about 35734.9717083979. The cubic root of 1276988203 is about 1084.9147867131.

The spelling of 1276988203 in words is "one billion, two hundred seventy-six million, nine hundred eighty-eight thousand, two hundred three".