1112001123 has 4 divisors (see below), whose sum is σ = 1482668168. Its totient is φ = 741334080.

The previous prime is 1112001103. The next prime is 1112001131. The reversal of 1112001123 is 3211002111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112001123 - 2¹² = 1111997027 is a prime.

It is a super-2 number, since 2×1112001123² = 2473092995106522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112001099 and 1112001108.

It is not an unprimeable number, because it can be changed into a prime (1112001103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185333518 + ... + 185333523.

It is an arithmetic number, because the mean of its divisors is an integer number (370667042).

Almost surely, 2^1112001123 is an apocalyptic number.

1112001123 is a deficient number, since it is larger than the sum of its proper divisors (370667045).

1112001123 is an equidigital number, since it uses as much as digits as its factorization.

1112001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370667044.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1112001123 is about 33346.6808393279. The cubic root of 1112001123 is about 1036.0206422322.

Adding to 1112001123 its reverse (3211002111), we get a palindrome (4323003234).

The spelling of 1112001123 in words is "one billion, one hundred twelve million, one thousand, one hundred twenty-three".