112654321 has 4 divisors (see below), whose sum is σ = 121320052. Its totient is φ = 103988592.

The previous prime is 112654319. The next prime is 112654327. The reversal of 112654321 is 123456211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 79014321 = 5800^2 + 8889^2 .

It is a cyclic number.

It is not a de Polignac number, because 112654321 - 2¹ = 112654319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112654327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4332846 + ... + 4332871.

It is an arithmetic number, because the mean of its divisors is an integer number (30330013).

Almost surely, 2^112654321 is an apocalyptic number.

It is an amenable number.

112654321 is a deficient number, since it is larger than the sum of its proper divisors (8665731).

112654321 is an equidigital number, since it uses as much as digits as its factorization.

112654321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665730.

The product of its digits is 1440, while the sum is 25.

The square root of 112654321 is about 10613.8739864387. The cubic root of 112654321 is about 482.9653252087.

The spelling of 112654321 in words is "one hundred twelve million, six hundred fifty-four thousand, three hundred twenty-one".