1288132481 has 8 divisors (see below), whose sum is σ = 1307991744. Its totient is φ = 1268321040.

The previous prime is 1288132477. The next prime is 1288132507. The reversal of 1288132481 is 1842318821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1288132481 - 2² = 1288132477 is a prime.

It is a super-2 number, since 2×1288132481² = 3318570577214430722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1288132421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44351 + ... + 67403.

It is an arithmetic number, because the mean of its divisors is an integer number (163498968).

Almost surely, 2^1288132481 is an apocalyptic number.

It is an amenable number.

1288132481 is a deficient number, since it is larger than the sum of its proper divisors (19859263).

1288132481 is an equidigital number, since it uses as much as digits as its factorization.

1288132481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23911.

The product of its digits is 24576, while the sum is 38.

The square root of 1288132481 is about 35890.5625617655. The cubic root of 1288132481 is about 1088.0616677781.

The spelling of 1288132481 in words is "one billion, two hundred eighty-eight million, one hundred thirty-two thousand, four hundred eighty-one".