1123011 has 8 divisors (see below), whose sum is σ = 1663760. Its totient is φ = 748656.

The previous prime is 1122997. The next prime is 1123051. The reversal of 1123011 is 1103211.

It is not a de Polignac number, because 1123011 - 2¹⁰ = 1121987 is a prime.

It is a super-2 number, since 2×1123011² = 2522307412242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122984 and 1123002.

It is not an unprimeable number, because it can be changed into a prime (1123051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20770 + ... + 20823.

It is an arithmetic number, because the mean of its divisors is an integer number (207970).

2^1123011 is an apocalyptic number.

1123011 is a deficient number, since it is larger than the sum of its proper divisors (540749).

1123011 is an equidigital number, since it uses as much as digits as its factorization.

1123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41602 (or 41596 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1123011 is about 1059.7221333916. The cubic root of 1123011 is about 103.9428618583.

Adding to 1123011 its reverse (1103211), we get a palindrome (2226222).

The spelling of 1123011 in words is "one million, one hundred twenty-three thousand, eleven".