4687121 has 8 divisors (see below), whose sum is σ = 4985064. Its totient is φ = 4391680.

The previous prime is 4687103. The next prime is 4687139. The reversal of 4687121 is 1217864.

It is an interprime number because it is at equal distance from previous prime (4687103) and next prime (4687139).

It can be written as a sum of positive squares in 4 ways, for example, as 2768896 + 1918225 = 1664^2 + 1385^2 .

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 4687121 - 2¹⁴ = 4670737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4687141) 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, 4511 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (623133).

Almost surely, 2^4687121 is an apocalyptic number.

It is an amenable number.

4687121 is a deficient number, since it is larger than the sum of its proper divisors (297943).

4687121 is a wasteful number, since it uses less digits than its factorization.

4687121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 2688, while the sum is 29.

The square root of 4687121 is about 2164.9759813910. The cubic root of 4687121 is about 167.3537269085.

The spelling of 4687121 in words is "four million, six hundred eighty-seven thousand, one hundred twenty-one".