1298478 has 16 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 421056.

The previous prime is 1298467. The next prime is 1298489. The reversal of 1298478 is 8748921.

It is an interprime number because it is at equal distance from previous prime (1298467) and next prime (1298489).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

2^1298478 is an apocalyptic number.

1298478 is an abundant number, since it is smaller than the sum of its proper divisors (1369122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298478 is a wasteful number, since it uses less digits than its factorization.

1298478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 32256, while the sum is 39.

The square root of 1298478 is about 1139.5077884771. The cubic root of 1298478 is about 109.0966793665.

The spelling of 1298478 in words is "one million, two hundred ninety-eight thousand, four hundred seventy-eight".