461321135121 has 64 divisors (see below), whose sum is σ = 793513543680. Its totient is φ = 231325839360.

The previous prime is 461321135089. The next prime is 461321135131. The reversal of 461321135121 is 121531123164.

It is not a de Polignac number, because 461321135121 - 2⁵ = 461321135089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461321135131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42446130 + ... + 42456996.

It is an arithmetic number, because the mean of its divisors is an integer number (12398649120).

Almost surely, 2^461321135121 is an apocalyptic number.

It is an amenable number.

461321135121 is a deficient number, since it is larger than the sum of its proper divisors (332192408559).

461321135121 is a wasteful number, since it uses less digits than its factorization.

461321135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17254.

The product of its digits is 4320, while the sum is 30.

Adding to 461321135121 its reverse (121531123164), we get a palindrome (582852258285).

The spelling of 461321135121 in words is "four hundred sixty-one billion, three hundred twenty-one million, one hundred thirty-five thousand, one hundred twenty-one".