1124161 has 4 divisors (see below), whose sum is σ = 1129300. Its totient is φ = 1119024.

The previous prime is 1124147. The next prime is 1124197. The reversal of 1124161 is 1614211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1614211 = 41 ⋅39371.

It can be written as a sum of positive squares in 2 ways, for example, as 1089936 + 34225 = 1044^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124161 - 2¹¹ = 1122113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (282325).

2^1124161 is an apocalyptic number.

It is an amenable number.

1124161 is a deficient number, since it is larger than the sum of its proper divisors (5139).

1124161 is an equidigital number, since it uses as much as digits as its factorization.

1124161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138.

The product of its digits is 48, while the sum is 16.

The square root of 1124161 is about 1060.2645896190. The cubic root of 1124161 is about 103.9783300511.

Adding to 1124161 its reverse (1614211), we get a palindrome (2738372).

The spelling of 1124161 in words is "one million, one hundred twenty-four thousand, one hundred sixty-one".