1288298471 has 8 divisors (see below), whose sum is σ = 1423389024. Its totient is φ = 1159797760.

The previous prime is 1288298443. The next prime is 1288298483. The reversal of 1288298471 is 1748928821.

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 1288298471 - 2¹⁴ = 1288282087 is a prime.

It is a super-3 number, since 3×1288298471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288298491) 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, 1647050 + ... + 1647831.

It is an arithmetic number, because the mean of its divisors is an integer number (177923628).

Almost surely, 2^1288298471 is an apocalyptic number.

1288298471 is a deficient number, since it is larger than the sum of its proper divisors (135090553).

1288298471 is a wasteful number, since it uses less digits than its factorization.

1288298471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294921.

The product of its digits is 516096, while the sum is 50.

The square root of 1288298471 is about 35892.8749336132. The cubic root of 1288298471 is about 1088.1084019978.

The spelling of 1288298471 in words is "one billion, two hundred eighty-eight million, two hundred ninety-eight thousand, four hundred seventy-one".