1244402 has 8 divisors (see below), whose sum is σ = 1926912. Its totient is φ = 602100.

The previous prime is 1244401. The next prime is 1244423. The reversal of 1244402 is 2044421.

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

It is not an unprimeable number, because it can be changed into a prime (1244401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9974 + ... + 10097.

It is an arithmetic number, because the mean of its divisors is an integer number (240864).

2^1244402 is an apocalyptic number.

1244402 is a deficient number, since it is larger than the sum of its proper divisors (682510).

1244402 is a wasteful number, since it uses less digits than its factorization.

1244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20104.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1244402 is about 1115.5276778279. The cubic root of 1244402 is about 107.5606868446.

Adding to 1244402 its reverse (2044421), we get a palindrome (3288823).

The spelling of 1244402 in words is "one million, two hundred forty-four thousand, four hundred two".