611121 has 8 divisors (see below), whose sum is σ = 931264. Its totient is φ = 349200.

The previous prime is 611113. The next prime is 611131. The reversal of 611121 is 121116.

It is a happy number.

611121 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611121 - 2³ = 611113 is a prime.

It is a Duffinian number.

611121 is strictly pandigital in base 7.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 611097 and 611106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611101) 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, 14530 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (116408).

2⁶¹¹¹²¹ is an apocalyptic number.

It is an amenable number.

611121 is a deficient number, since it is larger than the sum of its proper divisors (320143).

611121 is a wasteful number, since it uses less digits than its factorization.

611121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29111.

The product of its digits is 12, while the sum is 12.

The square root of 611121 is about 781.7422848996. The cubic root of 611121 is about 84.8611805588.

Adding to 611121 its reverse (121116), we get a palindrome (732237).

The spelling of 611121 in words is "six hundred eleven thousand, one hundred twenty-one".