4547121 has 16 divisors (see below), whose sum is σ = 6283200. Its totient is φ = 2923200.

The previous prime is 4547117. The next prime is 4547129. The reversal of 4547121 is 1217454.

It is not a de Polignac number, because 4547121 - 2² = 4547117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4547091 and 4547100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4547129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12855 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (392700).

Almost surely, 2^4547121 is an apocalyptic number.

It is an amenable number.

4547121 is a deficient number, since it is larger than the sum of its proper divisors (1736079).

4547121 is a wasteful number, since it uses less digits than its factorization.

4547121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its digits is 1120, while the sum is 24.

The square root of 4547121 is about 2132.3979459754. The cubic root of 4547121 is about 165.6706223435.

The spelling of 4547121 in words is "four million, five hundred forty-seven thousand, one hundred twenty-one".