1288871374 has 16 divisors (see below), whose sum is σ = 2218667616. Its totient is φ = 550080000.

The previous prime is 1288871369. The next prime is 1288871377. The reversal of 1288871374 is 4731788821.

It is a super-2 number, since 2×1288871374² = 3322378837433295752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288871377) 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, 187627 + ... + 194374.

It is an arithmetic number, because the mean of its divisors is an integer number (138666726).

Almost surely, 2^1288871374 is an apocalyptic number.

1288871374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1288871374 is a deficient number, since it is larger than the sum of its proper divisors (929796242).

1288871374 is a wasteful number, since it uses less digits than its factorization.

1288871374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382251.

The product of its digits is 602112, while the sum is 49.

The square root of 1288871374 is about 35900.8547809102. The cubic root of 1288871374 is about 1088.2696710928.

The spelling of 1288871374 in words is "one billion, two hundred eighty-eight million, eight hundred seventy-one thousand, three hundred seventy-four".