1287133084 has 24 divisors (see below), whose sum is σ = 2367596448. Its totient is φ = 611086080.

The previous prime is 1287133079. The next prime is 1287133091. The reversal of 1287133084 is 4803317821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38457 + ... + 63664.

It is an arithmetic number, because the mean of its divisors is an integer number (98649852).

Almost surely, 2^1287133084 is an apocalyptic number.

It is an amenable number.

1287133084 is a deficient number, since it is larger than the sum of its proper divisors (1080463364).

1287133084 is a wasteful number, since it uses less digits than its factorization.

1287133084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102285 (or 102283 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1287133084 is about 35876.6370218838. The cubic root of 1287133084 is about 1087.7802042576.

The spelling of 1287133084 in words is "one billion, two hundred eighty-seven million, one hundred thirty-three thousand, eighty-four".