1298479 has 16 divisors (see below), whose sum is σ = 1684480. Its totient is φ = 972000.

The previous prime is 1298467. The next prime is 1298489. The reversal of 1298479 is 9748921.

It is a cyclic number.

It is not a de Polignac number, because 1298479 - 2⁷ = 1298351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1354 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (105280).

2^1298479 is an apocalyptic number.

1298479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1298479 is a deficient number, since it is larger than the sum of its proper divisors (386001).

1298479 is a wasteful number, since it uses less digits than its factorization.

1298479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 36288, while the sum is 40.

The square root of 1298479 is about 1139.5082272630. The cubic root of 1298479 is about 109.0967073728.

The spelling of 1298479 in words is "one million, two hundred ninety-eight thousand, four hundred seventy-nine".