1294994741 has 2 divisors, whose sum is σ = 1294994742. Its totient is φ = 1294994740.

The previous prime is 1294994719. The next prime is 1294994747. The reversal of 1294994741 is 1474994921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890783716 + 404211025 = 29846^2 + 20105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294994741 is a prime.

It is a super-2 number, since 2×1294994741² = 3354022758435314162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1294994741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1294994747) 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, 647497370 + 647497371.

It is an arithmetic number, because the mean of its divisors is an integer number (647497371).

Almost surely, 2^1294994741 is an apocalyptic number.

It is an amenable number.

1294994741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294994741 is an equidigital number, since it uses as much as digits as its factorization.

1294994741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 1294994741 is about 35986.0353609563. The cubic root of 1294994741 is about 1089.9903882103.

The spelling of 1294994741 in words is "one billion, two hundred ninety-four million, nine hundred ninety-four thousand, seven hundred forty-one".