1123741 has 2 divisors, whose sum is σ = 1123742. Its totient is φ = 1123740.

The previous prime is 1123739. The next prime is 1123747. The reversal of 1123741 is 1473211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 143641 = 990^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123741 - 2¹ = 1123739 is a prime.

Together with 1123739, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561870 + 561871.

It is an arithmetic number, because the mean of its divisors is an integer number (561871).

2^1123741 is an apocalyptic number.

It is an amenable number.

1123741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123741 is an equidigital number, since it uses as much as digits as its factorization.

1123741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 19.

The square root of 1123741 is about 1060.0665073475. The cubic root of 1123741 is about 103.9653792554.

Adding to 1123741 its reverse (1473211), we get a palindrome (2596952).

The spelling of 1123741 in words is "one million, one hundred twenty-three thousand, seven hundred forty-one".