1298288019 has 8 divisors (see below), whose sum is σ = 1978343680. Its totient is φ = 741878856.

The previous prime is 1298288009. The next prime is 1298288021. The reversal of 1298288019 is 9108828921.

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

It is not a de Polignac number, because 1298288019 - 2¹⁵ = 1298255251 is a prime.

It is a super-2 number, since 2×1298288019² = 3371103560557888722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1298288009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30911599 + ... + 30911640.

It is an arithmetic number, because the mean of its divisors is an integer number (247292960).

Almost surely, 2^1298288019 is an apocalyptic number.

1298288019 is a deficient number, since it is larger than the sum of its proper divisors (680055661).

1298288019 is an equidigital number, since it uses as much as digits as its factorization.

1298288019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61823249.

The product of its (nonzero) digits is 165888, while the sum is 48.

The square root of 1298288019 is about 36031.7640284236. The cubic root of 1298288019 is about 1090.9135844278.

The spelling of 1298288019 in words is "one billion, two hundred ninety-eight million, two hundred eighty-eight thousand, nineteen".