1294747056 has 30 divisors (see below), whose sum is σ = 3623493900. Its totient is φ = 431582304.

The previous prime is 1294747043. The next prime is 1294747063. The reversal of 1294747056 is 6507474921.

1294747056 is a `hidden beast` number, since 129 + 4 + 7 + 470 + 56 = 666.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 4495506 + ... + 4495793.

It is an arithmetic number, because the mean of its divisors is an integer number (120783130).

Almost surely, 2^1294747056 is an apocalyptic number.

1294747056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1294747056 is an abundant number, since it is smaller than the sum of its proper divisors (2328746844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1294747056 is a wasteful number, since it uses less digits than its factorization.

1294747056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8991313 (or 8991304 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1294747056 is about 35982.5937919989. The cubic root of 1294747056 is about 1089.9208920508.

The spelling of 1294747056 in words is "one billion, two hundred ninety-four million, seven hundred forty-seven thousand, fifty-six".