1120161 has 16 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 624000.

The previous prime is 1120159. The next prime is 1120187. The reversal of 1120161 is 1610211.

It is a happy number.

It is not a de Polignac number, because 1120161 - 2¹ = 1120159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

2^1120161 is an apocalyptic number.

It is an amenable number.

1120161 is a deficient number, since it is larger than the sum of its proper divisors (629727).

1120161 is a wasteful number, since it uses less digits than its factorization.

1120161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352.

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

The square root of 1120161 is about 1058.3765870426. The cubic root of 1120161 is about 103.8548579388.

Adding to 1120161 its reverse (1610211), we get a palindrome (2730372).

The spelling of 1120161 in words is "one million, one hundred twenty thousand, one hundred sixty-one".