1287048480 has 192 divisors, whose sum is σ = 4189667328. Its totient is φ = 331914240.

The previous prime is 1287048463. The next prime is 1287048481. The reversal of 1287048480 is 848407821.

It is not an unprimeable number, because it can be changed into a prime (1287048481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2621035 + ... + 2621525.

It is an arithmetic number, because the mean of its divisors is an integer number (21821184).

Almost surely, 2^1287048480 is an apocalyptic number.

1287048480 is a gapful number since it is divisible by the number (10) 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 1287048480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094833664).

1287048480 is an abundant number, since it is smaller than the sum of its proper divisors (2902618848).

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

1287048480 is a wasteful number, since it uses less digits than its factorization.

1287048480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 1287048480 is about 35875.4579064853. The cubic root of 1287048480 is about 1087.7563702620.

The spelling of 1287048480 in words is "one billion, two hundred eighty-seven million, forty-eight thousand, four hundred eighty".