1287043160 has 48 divisors (see below), whose sum is σ = 3135756240. Its totient is φ = 475213440.

The previous prime is 1287043099. The next prime is 1287043189. The reversal of 1287043160 is 613407821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88436 + ... + 101955.

It is an arithmetic number, because the mean of its divisors is an integer number (65328255).

Almost surely, 2^1287043160 is an apocalyptic number.

1287043160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1287043160 is an abundant number, since it is smaller than the sum of its proper divisors (1848713080).

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

1287043160 is a wasteful number, since it uses less digits than its factorization.

1287043160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190428 (or 190411 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1287043160 is about 35875.3837610136. The cubic root of 1287043160 is about 1087.7548715171.

The spelling of 1287043160 in words is "one billion, two hundred eighty-seven million, forty-three thousand, one hundred sixty".