4122665 has 8 divisors (see below), whose sum is σ = 4959240. Its totient is φ = 3290112.

The previous prime is 4122661. The next prime is 4122667. The reversal of 4122665 is 5662214.

It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 3463321 = 812^2 + 1861^2 .

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 4122665 - 2² = 4122661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4122661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (619905).

Almost surely, 2^4122665 is an apocalyptic number.

It is an amenable number.

4122665 is a deficient number, since it is larger than the sum of its proper divisors (836575).

4122665 is a wasteful number, since it uses less digits than its factorization.

4122665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its digits is 2880, while the sum is 26.

The square root of 4122665 is about 2030.4346825249. The cubic root of 4122665 is about 160.3464498077.

Adding to 4122665 its reverse (5662214), we get a palindrome (9784879).

The spelling of 4122665 in words is "four million, one hundred twenty-two thousand, six hundred sixty-five".