1288334948 has 6 divisors (see below), whose sum is σ = 2254586166. Its totient is φ = 644167472.

The previous prime is 1288334939. The next prime is 1288334951. The reversal of 1288334948 is 8494338821.

It can be written as a sum of positive squares in only one way, i.e., 850772224 + 437562724 = 29168^2 + 20918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1288334896 and 1288334905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161041865 + ... + 161041872.

It is an arithmetic number, because the mean of its divisors is an integer number (375764361).

Almost surely, 2^1288334948 is an apocalyptic number.

It is an amenable number.

1288334948 is a deficient number, since it is larger than the sum of its proper divisors (966251218).

1288334948 is a wasteful number, since it uses less digits than its factorization.

1288334948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322083741 (or 322083739 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 1288334948 is about 35893.3830670780. The cubic root of 1288334948 is about 1088.1186715009.

The spelling of 1288334948 in words is "one billion, two hundred eighty-eight million, three hundred thirty-four thousand, nine hundred forty-eight".