1294071216 has 20 divisors (see below), whose sum is σ = 3343017432. Its totient is φ = 431357056.

The previous prime is 1294071203. The next prime is 1294071281. The reversal of 1294071216 is 6121704921.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13479861 + ... + 13479956.

Almost surely, 2^1294071216 is an apocalyptic number.

1294071216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1294071216 is an abundant number, since it is smaller than the sum of its proper divisors (2048946216).

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

1294071216 is a wasteful number, since it uses less digits than its factorization.

1294071216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26959828 (or 26959822 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1294071216 is about 35973.2013587893. The cubic root of 1294071216 is about 1089.7312178498.

The spelling of 1294071216 in words is "one billion, two hundred ninety-four million, seventy-one thousand, two hundred sixteen".