1123761 has 4 divisors (see below), whose sum is σ = 1498352. Its totient is φ = 749172.

The previous prime is 1123747. The next prime is 1123777. The reversal of 1123761 is 1673211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1123761 - 2⁵ = 1123729 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

1123761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1123741) 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, 187291 + ... + 187296.

It is an arithmetic number, because the mean of its divisors is an integer number (374588).

2^1123761 is an apocalyptic number.

It is an amenable number.

1123761 is a deficient number, since it is larger than the sum of its proper divisors (374591).

1123761 is an equidigital number, since it uses as much as digits as its factorization.

1123761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374590.

The product of its digits is 252, while the sum is 21.

The square root of 1123761 is about 1060.0759406759. The cubic root of 1123761 is about 103.9659960331.

Adding to 1123761 its reverse (1673211), we get a palindrome (2796972).

The spelling of 1123761 in words is "one million, one hundred twenty-three thousand, seven hundred sixty-one".