4727121 has 16 divisors (see below), whose sum is σ = 7517184. Its totient is φ = 2583504.

The previous prime is 4727089. The next prime is 4727147. The reversal of 4727121 is 1217274.

It is not a de Polignac number, because 4727121 - 2⁵ = 4727089 is a prime.

4727121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4727091 and 4727100.

It is not an unprimeable number, because it can be changed into a prime (4727171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4411 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (469824).

Almost surely, 2^4727121 is an apocalyptic number.

It is an amenable number.

4727121 is a deficient number, since it is larger than the sum of its proper divisors (2790063).

4727121 is a wasteful number, since it uses less digits than its factorization.

4727121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9820.

The product of its digits is 784, while the sum is 24.

The square root of 4727121 is about 2174.1943335406. The cubic root of 4727121 is about 167.8284459080.

The spelling of 4727121 in words is "four million, seven hundred twenty-seven thousand, one hundred twenty-one".