1294959287 has 2 divisors, whose sum is σ = 1294959288. Its totient is φ = 1294959286.

The previous prime is 1294959283. The next prime is 1294959331. The reversal of 1294959287 is 7829594921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1294959287 - 2² = 1294959283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294959283) 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, 647479643 + 647479644.

It is an arithmetic number, because the mean of its divisors is an integer number (647479644).

Almost surely, 2^1294959287 is an apocalyptic number.

1294959287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294959287 is an equidigital number, since it uses as much as digits as its factorization.

1294959287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 56.

The square root of 1294959287 is about 35985.5427498322. The cubic root of 1294959287 is about 1089.9804409699.

The spelling of 1294959287 in words is "one billion, two hundred ninety-four million, nine hundred fifty-nine thousand, two hundred eighty-seven".