461108721 has 8 divisors (see below), whose sum is σ = 616554720. Its totient is φ = 306534272.

The previous prime is 461108707. The next prime is 461108723. The reversal of 461108721 is 127801164.

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 461108721 - 2¹³ = 461100529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461108723) 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, 216651 + ... + 218768.

It is an arithmetic number, because the mean of its divisors is an integer number (77069340).

Almost surely, 2^461108721 is an apocalyptic number.

It is an amenable number.

461108721 is a deficient number, since it is larger than the sum of its proper divisors (155445999).

461108721 is a wasteful number, since it uses less digits than its factorization.

461108721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435775.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 461108721 is about 21473.4422252232. The cubic root of 461108721 is about 772.5639615665.

Adding to 461108721 its reverse (127801164), we get a palindrome (588909885).

The spelling of 461108721 in words is "four hundred sixty-one million, one hundred eight thousand, seven hundred twenty-one".