1298108532247 has 4 divisors (see below), whose sum is σ = 1308017757816. Its totient is φ = 1288199306680.

The previous prime is 1298108532209. The next prime is 1298108532299. The reversal of 1298108532247 is 7422358018921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298108532247 is a prime.

It is a super-2 number, since 2×1298108532247² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1298108532194 and 1298108532203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298108532947) 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, 4954612588 + ... + 4954612849.

It is an arithmetic number, because the mean of its divisors is an integer number (327004439454).

Almost surely, 2^{1298108532247} is an apocalyptic number.

1298108532247 is a deficient number, since it is larger than the sum of its proper divisors (9909225569).

1298108532247 is an equidigital number, since it uses as much as digits as its factorization.

1298108532247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909225568.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1298108532247 in words is "one trillion, two hundred ninety-eight billion, one hundred eight million, five hundred thirty-two thousand, two hundred forty-seven".