1288034742 has 16 divisors (see below), whose sum is σ = 2578405680. Its totient is φ = 428955552.

The previous prime is 1288034711. The next prime is 1288034747. The reversal of 1288034742 is 2474308821.

It is a self number, because there is not a number n which added to its sum of digits gives 1288034742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288034747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90133 + ... + 103440.

It is an arithmetic number, because the mean of its divisors is an integer number (161150355).

Almost surely, 2^1288034742 is an apocalyptic number.

1288034742 is an abundant number, since it is smaller than the sum of its proper divisors (1290370938).

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

1288034742 is a wasteful number, since it uses less digits than its factorization.

1288034742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194687.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 1288034742 is about 35889.2009105803. The cubic root of 1288034742 is about 1088.0341476406.

The spelling of 1288034742 in words is "one billion, two hundred eighty-eight million, thirty-four thousand, seven hundred forty-two".