1288420024 has 16 divisors (see below), whose sum is σ = 2467188000. Its totient is φ = 630503232.

The previous prime is 1288420009. The next prime is 1288420027. The reversal of 1288420024 is 4200248821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288420027) 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 3 ways as a sum of consecutive naturals, for example, 1712949 + ... + 1713700.

It is an arithmetic number, because the mean of its divisors is an integer number (154199250).

Almost surely, 2^1288420024 is an apocalyptic number.

It is an amenable number.

1288420024 is a deficient number, since it is larger than the sum of its proper divisors (1178767976).

1288420024 is a wasteful number, since it uses less digits than its factorization.

1288420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426702 (or 3426698 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 1288420024 is about 35894.5681684569. The cubic root of 1288420024 is about 1088.1426225049.

Adding to 1288420024 its reverse (4200248821), we get a palindrome (5488668845).

The spelling of 1288420024 in words is "one billion, two hundred eighty-eight million, four hundred twenty thousand, twenty-four".