1111452242 has 4 divisors (see below), whose sum is σ = 1667178366. Its totient is φ = 555726120.

The previous prime is 1111452169. The next prime is 1111452319. The reversal of 1111452242 is 2422541111.

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., 1077218041 + 34234201 = 32821^2 + 5851^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277863059 + ... + 277863062.

Almost surely, 2^1111452242 is an apocalyptic number.

1111452242 is a deficient number, since it is larger than the sum of its proper divisors (555726124).

1111452242 is an equidigital number, since it uses as much as digits as its factorization.

1111452242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555726123.

The product of its digits is 640, while the sum is 23.

The square root of 1111452242 is about 33338.4499039772. The cubic root of 1111452242 is about 1035.8501551041.

Adding to 1111452242 its reverse (2422541111), we get a palindrome (3533993353).

The spelling of 1111452242 in words is "one billion, one hundred eleven million, four hundred fifty-two thousand, two hundred forty-two".