1117252442 has 8 divisors (see below), whose sum is σ = 1677382356. Its totient is φ = 558124992.

The previous prime is 1117252417. The next prime is 1117252453. The reversal of 1117252442 is 2442527111.

It can be written as a sum of positive squares in 2 ways, for example, as 783496081 + 333756361 = 27991^2 + 18269^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247823 + ... + 252290.

Almost surely, 2^1117252442 is an apocalyptic number.

1117252442 is a deficient number, since it is larger than the sum of its proper divisors (560129914).

1117252442 is a wasteful number, since it uses less digits than its factorization.

1117252442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501232.

The product of its digits is 4480, while the sum is 29.

The square root of 1117252442 is about 33425.3263559236. The cubic root of 1117252442 is about 1037.6489179379.

Adding to 1117252442 its reverse (2442527111), we get a palindrome (3559779553).

The spelling of 1117252442 in words is "one billion, one hundred seventeen million, two hundred fifty-two thousand, four hundred forty-two".