81232114 has 16 divisors (see below), whose sum is σ = 124663896. Its totient is φ = 39686400.

The previous prime is 81232091. The next prime is 81232127. The reversal of 81232114 is 41123218.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64561225 + 16670889 = 8035^2 + 4083^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17034 + ... + 21274.

Almost surely, 2^81232114 is an apocalyptic number.

81232114 is a deficient number, since it is larger than the sum of its proper divisors (43431782).

81232114 is a wasteful number, since it uses less digits than its factorization.

81232114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461.

The product of its digits is 384, while the sum is 22.

The square root of 81232114 is about 9012.8859972819. The cubic root of 81232114 is about 433.0877686916.

The spelling of 81232114 in words is "eighty-one million, two hundred thirty-two thousand, one hundred fourteen".