1112245121 has 8 divisors (see below), whose sum is σ = 1220403240. Its totient is φ = 1007315712.

The previous prime is 1112245117. The next prime is 1112245129. The reversal of 1112245121 is 1215422111.

It can be written as a sum of positive squares in 4 ways, for example, as 14250625 + 1097994496 = 3775^2 + 33136^2 .

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

It is not a de Polignac number, because 1112245121 - 2² = 1112245117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112245093 and 1112245102.

It is not an unprimeable number, because it can be changed into a prime (1112245129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806456 + ... + 807833.

It is an arithmetic number, because the mean of its divisors is an integer number (152550405).

Almost surely, 2^1112245121 is an apocalyptic number.

It is an amenable number.

1112245121 is a deficient number, since it is larger than the sum of its proper divisors (108158119).

1112245121 is a wasteful number, since it uses less digits than its factorization.

1112245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614355.

The product of its digits is 160, while the sum is 20.

The square root of 1112245121 is about 33350.3391437029. The cubic root of 1112245121 is about 1036.0964120831.

Adding to 1112245121 its reverse (1215422111), we get a palindrome (2327667232).

The spelling of 1112245121 in words is "one billion, one hundred twelve million, two hundred forty-five thousand, one hundred twenty-one".