675121 has 8 divisors (see below), whose sum is σ = 722304. Its totient is φ = 628800.

The previous prime is 675113. The next prime is 675131. The reversal of 675121 is 121576.

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

It is a cyclic number.

It is not a de Polignac number, because 675121 - 2³ = 675113 is a prime.

It is a Duffinian number.

675121 is a lucky number.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 675092 and 675101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675131) 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, 2436 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (90288).

2⁶⁷⁵¹²¹ is an apocalyptic number.

It is an amenable number.

675121 is a deficient number, since it is larger than the sum of its proper divisors (47183).

675121 is a wasteful number, since it uses less digits than its factorization.

675121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its digits is 420, while the sum is 22.

The square root of 675121 is about 821.6574712129. The cubic root of 675121 is about 87.7257734058.

Adding to 675121 its reverse (121576), we get a palindrome (796697).

The spelling of 675121 in words is "six hundred seventy-five thousand, one hundred twenty-one".