1298242 has 8 divisors (see below), whose sum is σ = 2124432. Its totient is φ = 590100.

The previous prime is 1298221. The next prime is 1298261. The reversal of 1298242 is 2428921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1298242.

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 in 3 ways as a sum of consecutive naturals, for example, 29484 + ... + 29527.

It is an arithmetic number, because the mean of its divisors is an integer number (265554).

2^1298242 is an apocalyptic number.

1298242 is a deficient number, since it is larger than the sum of its proper divisors (826190).

1298242 is a wasteful number, since it uses less digits than its factorization.

1298242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59024.

The product of its digits is 2304, while the sum is 28.

The square root of 1298242 is about 1139.4042302888. The cubic root of 1298242 is about 109.0900694801.

It can be divided in two parts, 1298 and 242, that added together give a triangular number (1540 = T₅₅).

The spelling of 1298242 in words is "one million, two hundred ninety-eight thousand, two hundred forty-two".