1112081 has 2 divisors, whose sum is σ = 1112082. Its totient is φ = 1112080.

The previous prime is 1112077. The next prime is 1112087. The reversal of 1112081 is 1802111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 330625 = 884^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112081 - 2² = 1112077 is a prime.

It is a super-2 number, since 2×1112081² = 2473448301122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556040 + 556041.

It is an arithmetic number, because the mean of its divisors is an integer number (556041).

2^1112081 is an apocalyptic number.

It is an amenable number.

1112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112081 is an equidigital number, since it uses as much as digits as its factorization.

1112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1112081 is about 1054.5525117319. The cubic root of 1112081 is about 103.6045448034.

Adding to 1112081 its reverse (1802111), we get a palindrome (2914192).

The spelling of 1112081 in words is "one million, one hundred twelve thousand, eighty-one".