1111424042 has 4 divisors (see below), whose sum is σ = 1667136066. Its totient is φ = 555712020.

The previous prime is 1111424021. The next prime is 1111424077. The reversal of 1111424042 is 2404241111.

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., 1071973081 + 39450961 = 32741^2 + 6281^2 .

It is a super-2 number, since 2×1111424042² = 2470526802271235528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277856009 + ... + 277856012.

Almost surely, 2^1111424042 is an apocalyptic number.

1111424042 is a deficient number, since it is larger than the sum of its proper divisors (555712024).

1111424042 is an equidigital number, since it uses as much as digits as its factorization.

1111424042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555712023.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1111424042 is about 33338.0269662138. The cubic root of 1111424042 is about 1035.8413944274.

Adding to 1111424042 its reverse (2404241111), we get a palindrome (3515665153).

The spelling of 1111424042 in words is "one billion, one hundred eleven million, four hundred twenty-four thousand, forty-two".