1112127121 has 8 divisors (see below), whose sum is σ = 1273446144. Its totient is φ = 951419040.

The previous prime is 1112127101. The next prime is 1112127217. The reversal of 1112127121 is 1217212111.

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 1112127121 - 2¹¹ = 1112125073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112127101) 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, 148825 + ... + 156118.

It is an arithmetic number, because the mean of its divisors is an integer number (159180768).

Almost surely, 2^1112127121 is an apocalyptic number.

It is an amenable number.

1112127121 is a deficient number, since it is larger than the sum of its proper divisors (161319023).

1112127121 is an equidigital number, since it uses as much as digits as its factorization.

1112127121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305471.

The product of its digits is 56, while the sum is 19.

The square root of 1112127121 is about 33348.5699993268. The cubic root of 1112127121 is about 1036.0597703698.

Adding to 1112127121 its reverse (1217212111), we get a palindrome (2329339232).

The spelling of 1112127121 in words is "one billion, one hundred twelve million, one hundred twenty-seven thousand, one hundred twenty-one".