1123221938 has 8 divisors (see below), whose sum is σ = 1685013888. Its totient is φ = 561550644.

The previous prime is 1123221923. The next prime is 1123221947. The reversal of 1123221938 is 8391223211.

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

It is an unprimeable number.

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, 1406 + ... + 47417.

It is an arithmetic number, because the mean of its divisors is an integer number (210626736).

Almost surely, 2^1123221938 is an apocalyptic number.

1123221938 is a deficient number, since it is larger than the sum of its proper divisors (561791950).

1123221938 is a wasteful number, since it uses less digits than its factorization.

1123221938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60328.

The product of its digits is 5184, while the sum is 32.

The square root of 1123221938 is about 33514.5033977829. The cubic root of 1123221938 is about 1039.4936940123.

The spelling of 1123221938 in words is "one billion, one hundred twenty-three million, two hundred twenty-one thousand, nine hundred thirty-eight".