1298287907604 has 36 divisors (see below), whose sum is σ = 3387647303040. Its totient is φ = 418802550480.

The previous prime is 1298287907603. The next prime is 1298287907611. The reversal of 1298287907604 is 4067097828921.

1298287907604 is a `hidden beast` number, since 1 + 298 + 287 + 9 + 0 + 7 + 60 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298287907603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581669094 + ... + 581671325.

Almost surely, 2^{1298287907604} is an apocalyptic number.

It is an amenable number.

1298287907604 is an abundant number, since it is smaller than the sum of its proper divisors (2089359395436).

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

1298287907604 is a wasteful number, since it uses less digits than its factorization.

1298287907604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163340460 (or 1163340455 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 1298287907604 in words is "one trillion, two hundred ninety-eight billion, two hundred eighty-seven million, nine hundred seven thousand, six hundred four".