1244542 has 16 divisors (see below), whose sum is σ = 2030112. Its totient is φ = 568800.

The previous prime is 1244533. The next prime is 1244543. The reversal of 1244542 is 2454421.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (126882).

2^1244542 is an apocalyptic number.

1244542 is a deficient number, since it is larger than the sum of its proper divisors (785570).

1244542 is a wasteful number, since it uses less digits than its factorization.

1244542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 1280, while the sum is 22.

The square root of 1244542 is about 1115.5904266352. The cubic root of 1244542 is about 107.5647203567.

Adding to 1244542 its reverse (2454421), we get a palindrome (3698963).

The spelling of 1244542 in words is "one million, two hundred forty-four thousand, five hundred forty-two".