1287104874 has 16 divisors (see below), whose sum is σ = 2808228960. Its totient is φ = 390031760.

The previous prime is 1287104873. The next prime is 1287104899. The reversal of 1287104874 is 4784017821.

It is not an unprimeable number, because it can be changed into a prime (1287104873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9750729 + ... + 9750860.

It is an arithmetic number, because the mean of its divisors is an integer number (175514310).

Almost surely, 2^1287104874 is an apocalyptic number.

1287104874 is an abundant number, since it is smaller than the sum of its proper divisors (1521124086).

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

1287104874 is a wasteful number, since it uses less digits than its factorization.

1287104874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19501605.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 1287104874 is about 35876.2438669379. The cubic root of 1287104874 is about 1087.7722572670.

The spelling of 1287104874 in words is "one billion, two hundred eighty-seven million, one hundred four thousand, eight hundred seventy-four".