1288947482 has 8 divisors (see below), whose sum is σ = 1939719936. Its totient is φ = 642374172.

The previous prime is 1288947469. The next prime is 1288947521. The reversal of 1288947482 is 2847498821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1288947482² = 3322771222708280648, which contains 22 as substring.

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, 1049018 + ... + 1050245.

It is an arithmetic number, because the mean of its divisors is an integer number (242464992).

Almost surely, 2^1288947482 is an apocalyptic number.

1288947482 is a deficient number, since it is larger than the sum of its proper divisors (650772454).

1288947482 is a wasteful number, since it uses less digits than its factorization.

1288947482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099572.

The product of its digits is 2064384, while the sum is 53.

The square root of 1288947482 is about 35901.9147400247. The cubic root of 1288947482 is about 1088.2910914868.

The spelling of 1288947482 in words is "one billion, two hundred eighty-eight million, nine hundred forty-seven thousand, four hundred eighty-two".