1287208882 has 8 divisors (see below), whose sum is σ = 1945552752. Its totient is φ = 638691300.

The previous prime is 1287208861. The next prime is 1287208883. The reversal of 1287208882 is 2888027821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1287208883) 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, 2456244 + ... + 2456767.

It is an arithmetic number, because the mean of its divisors is an integer number (243194094).

Almost surely, 2^1287208882 is an apocalyptic number.

1287208882 is a deficient number, since it is larger than the sum of its proper divisors (658343870).

1287208882 is a wasteful number, since it uses less digits than its factorization.

1287208882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913144.

The product of its (nonzero) digits is 229376, while the sum is 46.

The square root of 1287208882 is about 35877.6933762470. The cubic root of 1287208882 is about 1087.8015566069.

The spelling of 1287208882 in words is "one billion, two hundred eighty-seven million, two hundred eight thousand, eight hundred eighty-two".