1111243052 has 24 divisors (see below), whose sum is σ = 2031101520. Its totient is φ = 531437760.

The previous prime is 1111242971. The next prime is 1111243057. The reversal of 1111243052 is 2503421111.

It is a super-2 number, since 2×1111243052² = 2469722241236549408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111243057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54899 + ... + 72362.

It is an arithmetic number, because the mean of its divisors is an integer number (84629230).

Almost surely, 2^1111243052 is an apocalyptic number.

It is an amenable number.

1111243052 is a deficient number, since it is larger than the sum of its proper divisors (919858468).

1111243052 is a wasteful number, since it uses less digits than its factorization.

1111243052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127361 (or 127359 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1111243052 is about 33335.3123879168. The cubic root of 1111243052 is about 1035.7851641305.

Adding to 1111243052 its reverse (2503421111), we get a palindrome (3614664163).

The spelling of 1111243052 in words is "one billion, one hundred eleven million, two hundred forty-three thousand, fifty-two".