1275151679 has 2 divisors, whose sum is σ = 1275151680. Its totient is φ = 1275151678.

The previous prime is 1275151643. The next prime is 1275151699. The reversal of 1275151679 is 9761515721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1275151679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1275151699) 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, 637575839 + 637575840.

It is an arithmetic number, because the mean of its divisors is an integer number (637575840).

Almost surely, 2^1275151679 is an apocalyptic number.

1275151679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275151679 is an equidigital number, since it uses as much as digits as its factorization.

1275151679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 44.

The square root of 1275151679 is about 35709.2660103789. The cubic root of 1275151679 is about 1084.3944404867.

The spelling of 1275151679 in words is "one billion, two hundred seventy-five million, one hundred fifty-one thousand, six hundred seventy-nine".