1123841 has 2 divisors, whose sum is σ = 1123842. Its totient is φ = 1123840.

The previous prime is 1123807. The next prime is 1123867. The reversal of 1123841 is 1483211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 10816 = 1055^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123841 - 2⁶ = 1123777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561920 + 561921.

It is an arithmetic number, because the mean of its divisors is an integer number (561921).

2^1123841 is an apocalyptic number.

It is an amenable number.

1123841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123841 is an equidigital number, since it uses as much as digits as its factorization.

1123841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 1123841 is about 1060.1136731502. The cubic root of 1123841 is about 103.9684630709.

The spelling of 1123841 in words is "one million, one hundred twenty-three thousand, eight hundred forty-one".