1127161 has 8 divisors (see below), whose sum is σ = 1344384. Its totient is φ = 924000.

The previous prime is 1127153. The next prime is 1127167. The reversal of 1127161 is 1617211.

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

It is not a de Polignac number, because 1127161 - 2³ = 1127153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127167) 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, 3340 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (168048).

2^1127161 is an apocalyptic number.

It is an amenable number.

1127161 is a deficient number, since it is larger than the sum of its proper divisors (217223).

1127161 is an equidigital number, since it uses as much as digits as its factorization.

1127161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031.

The product of its digits is 84, while the sum is 19.

The square root of 1127161 is about 1061.6783882137. The cubic root of 1127161 is about 104.0707420569.

It can be divided in two parts, 11 and 27161, that added together give a palindrome (27172).

The spelling of 1127161 in words is "one million, one hundred twenty-seven thousand, one hundred sixty-one".