1288828452 has 12 divisors (see below), whose sum is σ = 3007266416. Its totient is φ = 429609480.

The previous prime is 1288828451. The next prime is 1288828493. The reversal of 1288828452 is 2548288821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1288828452² = 3322157557369432608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1288828451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53701174 + ... + 53701197.

Almost surely, 2^1288828452 is an apocalyptic number.

1288828452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1288828452 is an abundant number, since it is smaller than the sum of its proper divisors (1718437964).

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

1288828452 is a wasteful number, since it uses less digits than its factorization.

1288828452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107402378 (or 107402376 counting only the distinct ones).

The product of its digits is 655360, while the sum is 48.

The square root of 1288828452 is about 35900.2569907236. The cubic root of 1288828452 is about 1088.2575904383.

The spelling of 1288828452 in words is "one billion, two hundred eighty-eight million, eight hundred twenty-eight thousand, four hundred fifty-two".