1288234684 has 12 divisors (see below), whose sum is σ = 2459357208. Its totient is φ = 585561200.

The previous prime is 1288234681. The next prime is 1288234709. The reversal of 1288234684 is 4864328821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288234681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14638987 + ... + 14639074.

It is an arithmetic number, because the mean of its divisors is an integer number (204946434).

Almost surely, 2^1288234684 is an apocalyptic number.

It is an amenable number.

1288234684 is a deficient number, since it is larger than the sum of its proper divisors (1171122524).

1288234684 is a wasteful number, since it uses less digits than its factorization.

1288234684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29278076 (or 29278074 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 1288234684 is about 35891.9863479301. The cubic root of 1288234684 is about 1088.0904433447.

The spelling of 1288234684 in words is "one billion, two hundred eighty-eight million, two hundred thirty-four thousand, six hundred eighty-four".