1123214042 has 4 divisors (see below), whose sum is σ = 1684821066. Its totient is φ = 561607020.

The previous prime is 1123214009. The next prime is 1123214083. The reversal of 1123214042 is 2404123211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1088274121 + 34939921 = 32989^2 + 5911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280803509 + ... + 280803512.

Almost surely, 2^1123214042 is an apocalyptic number.

1123214042 is a deficient number, since it is larger than the sum of its proper divisors (561607024).

1123214042 is an equidigital number, since it uses as much as digits as its factorization.

1123214042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561607023.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1123214042 is about 33514.3855978295. The cubic root of 1123214042 is about 1039.4912582035.

Adding to 1123214042 its reverse (2404123211), we get a palindrome (3527337253).

The spelling of 1123214042 in words is "one billion, one hundred twenty-three million, two hundred fourteen thousand, forty-two".