421161 has 8 divisors (see below), whose sum is σ = 604800. Its totient is φ = 259152.

The previous prime is 421159. The next prime is 421163. The reversal of 421161 is 161124.

It is an interprime number because it is at equal distance from previous prime (421159) and next prime (421163).

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

It is not a de Polignac number, because 421161 - 2¹ = 421159 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 421161.

It is not an unprimeable number, because it can be changed into a prime (421163) 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, 5361 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2⁴²¹¹⁶¹ is an apocalyptic number.

It is an amenable number.

421161 is a deficient number, since it is larger than the sum of its proper divisors (183639).

421161 is a wasteful number, since it uses less digits than its factorization.

421161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815.

The product of its digits is 48, while the sum is 15.

The square root of 421161 is about 648.9691826273. The cubic root of 421161 is about 74.9576649967.

Adding to 421161 its reverse (161124), we get a palindrome (582285).

The spelling of 421161 in words is "four hundred twenty-one thousand, one hundred sixty-one".