611123 has 4 divisors (see below), whose sum is σ = 613920. Its totient is φ = 608328.

The previous prime is 611113. The next prime is 611131. The reversal of 611123 is 321116.

611123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 611123 - 2⁸ = 610867 is a prime.

It is a super-2 number, since 2×611123² = 746942642258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 611098 and 611107.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 611123.

It is not an unprimeable number, because it can be changed into a prime (611113) 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, 1040 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (153480).

2⁶¹¹¹²³ is an apocalyptic number.

611123 is a deficient number, since it is larger than the sum of its proper divisors (2797).

611123 is a wasteful number, since it uses less digits than its factorization.

611123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its digits is 36, while the sum is 14.

The square root of 611123 is about 781.7435640925. The cubic root of 611123 is about 84.8612731330.

Adding to 611123 its reverse (321116), we get a palindrome (932239).

The spelling of 611123 in words is "six hundred eleven thousand, one hundred twenty-three".