461312115 has 128 divisors (see below), whose sum is σ = 900910080. Its totient is φ = 199065600.

The previous prime is 461312113. The next prime is 461312123. The reversal of 461312115 is 511213164.

It is a happy number.

It is not a de Polignac number, because 461312115 - 2¹ = 461312113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461312113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4755747 + ... + 4755843.

It is an arithmetic number, because the mean of its divisors is an integer number (7038360).

Almost surely, 2^461312115 is an apocalyptic number.

461312115 is a deficient number, since it is larger than the sum of its proper divisors (439597965).

461312115 is a wasteful number, since it uses less digits than its factorization.

461312115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 720, while the sum is 24.

The square root of 461312115 is about 21478.1776461598. The cubic root of 461312115 is about 772.6775369331.

Adding to 461312115 its reverse (511213164), we get a palindrome (972525279).

The spelling of 461312115 in words is "four hundred sixty-one million, three hundred twelve thousand, one hundred fifteen".