1123042 has 4 divisors (see below), whose sum is σ = 1684566. Its totient is φ = 561520.

The previous prime is 1122997. The next prime is 1123051. The reversal of 1123042 is 2403211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1038361 + 84681 = 1019^2 + 291^2 .

It is a super-2 number, since 2×1123042² = 2522446667528, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280759 + ... + 280762.

2^1123042 is an apocalyptic number.

1123042 is a deficient number, since it is larger than the sum of its proper divisors (561524).

1123042 is an equidigital number, since it uses as much as digits as its factorization.

1123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561523.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1123042 is about 1059.7367597663. The cubic root of 1123042 is about 103.9438182749.

Adding to 1123042 its reverse (2403211), we get a palindrome (3526253).

The spelling of 1123042 in words is "one million, one hundred twenty-three thousand, forty-two".