1242043044 has 48 divisors (see below), whose sum is σ = 3206117376. Its totient is φ = 371072800.

The previous prime is 1242043031. The next prime is 1242043051. The reversal of 1242043044 is 4403402421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56892 + ... + 75635.

It is an arithmetic number, because the mean of its divisors is an integer number (66794112).

Almost surely, 2^1242043044 is an apocalyptic number.

It is an amenable number.

1242043044 is an abundant number, since it is smaller than the sum of its proper divisors (1964074332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242043044 is a wasteful number, since it uses less digits than its factorization.

1242043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132616 (or 132614 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1242043044 is about 35242.6310595563. The cubic root of 1242043044 is about 1074.9267789321.

Adding to 1242043044 its reverse (4403402421), we get a palindrome (5645445465).

The spelling of 1242043044 in words is "one billion, two hundred forty-two million, forty-three thousand, forty-four".