4321155 has 8 divisors (see below), whose sum is σ = 6913872. Its totient is φ = 2304608.

The previous prime is 4321139. The next prime is 4321157. The reversal of 4321155 is 5511234.

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 4321155 - 2⁴ = 4321139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4321157) 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, 144024 + ... + 144053.

It is an arithmetic number, because the mean of its divisors is an integer number (864234).

Almost surely, 2^4321155 is an apocalyptic number.

4321155 is a deficient number, since it is larger than the sum of its proper divisors (2592717).

4321155 is a wasteful number, since it uses less digits than its factorization.

4321155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288085.

The product of its digits is 600, while the sum is 21.

The square root of 4321155 is about 2078.7388003306. The cubic root of 4321155 is about 162.8795702965.

Adding to 4321155 its reverse (5511234), we get a palindrome (9832389).

The spelling of 4321155 in words is "four million, three hundred twenty-one thousand, one hundred fifty-five".