1141161 has 16 divisors (see below), whose sum is σ = 1776000. Its totient is φ = 651504.

The previous prime is 1141139. The next prime is 1141171. The reversal of 1141161 is 1611411.

It is not a de Polignac number, because 1141161 - 2⁶ = 1141097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141161.

It is not an unprimeable number, because it can be changed into a prime (1141171) 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, 475 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (111000).

2^1141161 is an apocalyptic number.

It is an amenable number.

1141161 is a deficient number, since it is larger than the sum of its proper divisors (634839).

1141161 is an equidigital number, since it uses as much as digits as its factorization.

1141161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1119 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 1141161 is about 1068.2513749114. The cubic root of 1141161 is about 104.4998435626.

Adding to 1141161 its reverse (1611411), we get a palindrome (2752572).

It can be divided in two parts, 114 and 1161, that added together give a triangular number (1275 = T₅₀).

The spelling of 1141161 in words is "one million, one hundred forty-one thousand, one hundred sixty-one".