1298854 has 4 divisors (see below), whose sum is σ = 1948284. Its totient is φ = 649426.

The previous prime is 1298849. The next prime is 1298863. The reversal of 1298854 is 4588921.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 324712 + ... + 324715.

It is an arithmetic number, because the mean of its divisors is an integer number (487071).

2^1298854 is an apocalyptic number.

1298854 is a deficient number, since it is larger than the sum of its proper divisors (649430).

1298854 is an equidigital number, since it uses as much as digits as its factorization.

1298854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649429.

The product of its digits is 23040, while the sum is 37.

The square root of 1298854 is about 1139.6727600500. The cubic root of 1298854 is about 109.1072087177.

The spelling of 1298854 in words is "one million, two hundred ninety-eight thousand, eight hundred fifty-four".