4122655 has 4 divisors (see below), whose sum is σ = 4947192. Its totient is φ = 3298120.

The previous prime is 4122647. The next prime is 4122661. The reversal of 4122655 is 5562214.

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

It is not a de Polignac number, because 4122655 - 2³ = 4122647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412261 + ... + 412270.

It is an arithmetic number, because the mean of its divisors is an integer number (1236798).

Almost surely, 2^4122655 is an apocalyptic number.

4122655 is a deficient number, since it is larger than the sum of its proper divisors (824537).

4122655 is an equidigital number, since it uses as much as digits as its factorization.

4122655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824536.

The product of its digits is 2400, while the sum is 25.

The square root of 4122655 is about 2030.4322199965. The cubic root of 4122655 is about 160.3463201613.

Adding to 4122655 its reverse (5562214), we get a palindrome (9684869).

The spelling of 4122655 in words is "four million, one hundred twenty-two thousand, six hundred fifty-five".