1298428 has 12 divisors (see below), whose sum is σ = 2325400. Its totient is φ = 634032.

The previous prime is 1298387. The next prime is 1298467. The reversal of 1298428 is 8248921.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1298393 and 1298402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603 + ... + 3946.

2^1298428 is an apocalyptic number.

It is an amenable number.

1298428 is a deficient number, since it is larger than the sum of its proper divisors (1026972).

1298428 is a wasteful number, since it uses less digits than its factorization.

1298428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596 (or 7594 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 1298428 is about 1139.4858489687. The cubic root of 1298428 is about 109.0952790337.

The spelling of 1298428 in words is "one million, two hundred ninety-eight thousand, four hundred twenty-eight".