1111130243 has 8 divisors (see below), whose sum is σ = 1144819008. Its totient is φ = 1077860224.

The previous prime is 1111130233. The next prime is 1111130257. The reversal of 1111130243 is 3420311111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111130243 - 2¹⁰ = 1111129219 is a prime.

It is a super-2 number, since 2×1111130243² = 2469220833818478098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111130233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99296 + ... + 109917.

It is an arithmetic number, because the mean of its divisors is an integer number (143102376).

Almost surely, 2^1111130243 is an apocalyptic number.

1111130243 is a deficient number, since it is larger than the sum of its proper divisors (33688765).

1111130243 is a wasteful number, since it uses less digits than its factorization.

1111130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209373.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1111130243 is about 33333.6203104313. The cubic root of 1111130243 is about 1035.7501133399.

Adding to 1111130243 its reverse (3420311111), we get a palindrome (4531441354).

The spelling of 1111130243 in words is "one billion, one hundred eleven million, one hundred thirty thousand, two hundred forty-three".