1242344 has 16 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 613360.

The previous prime is 1242317. The next prime is 1242347. The reversal of 1242344 is 4432421.

It is a super-2 number, since 2×1242344² = 3086837228672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242347) 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, 272 + ... + 1599.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1242344 is an apocalyptic number.

It is an amenable number.

1242344 is a deficient number, since it is larger than the sum of its proper divisors (1116376).

1242344 is a wasteful number, since it uses less digits than its factorization.

1242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1956 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 1242344 is about 1114.6048627204. The cubic root of 1242344 is about 107.5013592761.

Adding to 1242344 its reverse (4432421), we get a palindrome (5674765).

The spelling of 1242344 in words is "one million, two hundred forty-two thousand, three hundred forty-four".