112122665 has 8 divisors (see below), whose sum is σ = 134844360. Its totient is φ = 89500032.

The previous prime is 112122643. The next prime is 112122733. The reversal of 112122665 is 566221211.

It can be written as a sum of positive squares in 4 ways, for example, as 3400336 + 108722329 = 1844^2 + 10427^2 .

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 112122665 - 2⁶ = 112122601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22250 + ... + 26819.

It is an arithmetic number, because the mean of its divisors is an integer number (16855545).

Almost surely, 2^112122665 is an apocalyptic number.

It is an amenable number.

112122665 is a deficient number, since it is larger than the sum of its proper divisors (22721695).

112122665 is an equidigital number, since it uses as much as digits as its factorization.

112122665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49531.

The product of its digits is 1440, while the sum is 26.

The square root of 112122665 is about 10588.7990348292. The cubic root of 112122665 is about 482.2043648802.

Adding to 112122665 its reverse (566221211), we get a palindrome (678343876).

The spelling of 112122665 in words is "one hundred twelve million, one hundred twenty-two thousand, six hundred sixty-five".