4779121 has 4 divisors (see below), whose sum is σ = 4806000. Its totient is φ = 4752244.

The previous prime is 4779119. The next prime is 4779143. The reversal of 4779121 is 1219774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1219774 = 2 ⋅609887.

It is a cyclic number.

It is not a de Polignac number, because 4779121 - 2¹ = 4779119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4779191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13171 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (1201500).

Almost surely, 2^4779121 is an apocalyptic number.

It is an amenable number.

4779121 is a deficient number, since it is larger than the sum of its proper divisors (26879).

4779121 is a wasteful number, since it uses less digits than its factorization.

4779121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26878.

The product of its digits is 3528, while the sum is 31.

The square root of 4779121 is about 2186.1200790441. The cubic root of 4779121 is about 168.4415938128.

It can be divided in two parts, 4779 and 121, that added together give a square (4900 = 70²).

The spelling of 4779121 in words is "four million, seven hundred seventy-nine thousand, one hundred twenty-one".