1298884043 has 4 divisors (see below), whose sum is σ = 1318270440. Its totient is φ = 1279497648.

The previous prime is 1298884033. The next prime is 1298884049. The reversal of 1298884043 is 3404888921.

It is a happy number.

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-1298884043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298884049) 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, 9693098 + ... + 9693231.

It is an arithmetic number, because the mean of its divisors is an integer number (329567610).

Almost surely, 2^1298884043 is an apocalyptic number.

1298884043 is a deficient number, since it is larger than the sum of its proper divisors (19386397).

1298884043 is an equidigital number, since it uses as much as digits as its factorization.

1298884043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386396.

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 1298884043 is about 36040.0338928808. The cubic root of 1298884043 is about 1091.0804994199.

The spelling of 1298884043 in words is "one billion, two hundred ninety-eight million, eight hundred eighty-four thousand, forty-three".