1244124442 has 8 divisors (see below), whose sum is σ = 2035840032. Its totient is φ = 565511100.

The previous prime is 1244124439. The next prime is 1244124443. The reversal of 1244124442 is 2444214421.

It is a happy number.

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

It is a super-2 number, since 2×1244124442² = 3095691254363622728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244124442.

It is not an unprimeable number, because it can be changed into a prime (1244124443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28275534 + ... + 28275577.

It is an arithmetic number, because the mean of its divisors is an integer number (254480004).

Almost surely, 2^1244124442 is an apocalyptic number.

1244124442 is a deficient number, since it is larger than the sum of its proper divisors (791715590).

1244124442 is a wasteful number, since it uses less digits than its factorization.

1244124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56551124.

The product of its digits is 8192, while the sum is 28.

The square root of 1244124442 is about 35272.1482475905. The cubic root of 1244124442 is about 1075.5268928190.

Adding to 1244124442 its reverse (2444214421), we get a palindrome (3688338863).

The spelling of 1244124442 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, four hundred forty-two".