1123001242 has 12 divisors (see below), whose sum is σ = 1851560298. Its totient is φ = 510455000.

The previous prime is 1123001239. The next prime is 1123001263. The reversal of 1123001242 is 2421003211.

It can be written as a sum of positive squares in only one way, i.e., 997359561 + 125641681 = 31581^2 + 11209^2 .

It is a super-2 number, since 2×1123001242² = 2522263579067085128, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 2320009 + ... + 2320492.

Almost surely, 2^1123001242 is an apocalyptic number.

1123001242 is a deficient number, since it is larger than the sum of its proper divisors (728559056).

1123001242 is a wasteful number, since it uses less digits than its factorization.

1123001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640525 (or 4640514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1123001242 is about 33511.2106913492. The cubic root of 1123001242 is about 1039.4256079943.

Adding to 1123001242 its reverse (2421003211), we get a palindrome (3544004453).

The spelling of 1123001242 in words is "one billion, one hundred twenty-three million, one thousand, two hundred forty-two".