1123994 has 4 divisors (see below), whose sum is σ = 1685994. Its totient is φ = 561996.

The previous prime is 1123979. The next prime is 1123999. The reversal of 1123994 is 4993211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4993211 = 487 ⋅10253.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 375769 = 865^2 + 613^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1123999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280997 + ... + 281000.

2^1123994 is an apocalyptic number.

1123994 is a deficient number, since it is larger than the sum of its proper divisors (562000).

1123994 is an equidigital number, since it uses as much as digits as its factorization.

1123994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561999.

The product of its digits is 1944, while the sum is 29.

The square root of 1123994 is about 1060.1858327671. The cubic root of 1123994 is about 103.9731809544.

The spelling of 1123994 in words is "one million, one hundred twenty-three thousand, nine hundred ninety-four".