1287353088 has 360 divisors, whose sum is σ = 4501296800. Its totient is φ = 365783040.

The previous prime is 1287353083. The next prime is 1287353117. The reversal of 1287353088 is 8803537821.

It is not an unprimeable number, because it can be changed into a prime (1287353083) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7112358 + ... + 7112538.

Almost surely, 2^1287353088 is an apocalyptic number.

1287353088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1287353088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250648400).

1287353088 is an abundant number, since it is smaller than the sum of its proper divisors (3213943712).

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

1287353088 is an frugal number, since it uses more digits than its factorization.

1287353088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1287353088 is about 35879.7030088043. The cubic root of 1287353088 is about 1087.8421772230.

The spelling of 1287353088 in words is "one billion, two hundred eighty-seven million, three hundred fifty-three thousand, eighty-eight".