1298995 has 8 divisors (see below), whose sum is σ = 1584720. Its totient is φ = 1021920.

The previous prime is 1298989. The next prime is 1299007. The reversal of 1298995 is 5998921.

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

It is not a de Polignac number, because 1298995 - 2⁵ = 1298963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (198090).

2^1298995 is an apocalyptic number.

1298995 is a deficient number, since it is larger than the sum of its proper divisors (285725).

1298995 is an equidigital number, since it uses as much as digits as its factorization.

1298995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325.

The product of its digits is 58320, while the sum is 43.

The square root of 1298995 is about 1139.7346182336. The cubic root of 1298995 is about 109.1111567005. Note that the first 4 decimals are identical.

The spelling of 1298995 in words is "one million, two hundred ninety-eight thousand, nine hundred ninety-five".