1298774 has 8 divisors (see below), whose sum is σ = 2000928. Its totient is φ = 631800.

The previous prime is 1298771. The next prime is 1298779. The reversal of 1298774 is 4778921.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298771) 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 3 ways as a sum of consecutive naturals, for example, 8702 + ... + 8849.

It is an arithmetic number, because the mean of its divisors is an integer number (250116).

2^1298774 is an apocalyptic number.

1298774 is a deficient number, since it is larger than the sum of its proper divisors (702154).

1298774 is a wasteful number, since it uses less digits than its factorization.

1298774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17590.

The product of its digits is 28224, while the sum is 38.

The square root of 1298774 is about 1139.6376617153. The cubic root of 1298774 is about 109.1049686004.

The spelling of 1298774 in words is "one million, two hundred ninety-eight thousand, seven hundred seventy-four".