4657121 has 4 divisors (see below), whose sum is σ = 5322432. Its totient is φ = 3991812.

The previous prime is 4657117. The next prime is 4657123. The reversal of 4657121 is 1217564.

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.

It is a cyclic number.

It is not a de Polignac number, because 4657121 - 2² = 4657117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4657123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332645 + ... + 332658.

It is an arithmetic number, because the mean of its divisors is an integer number (1330608).

Almost surely, 2^4657121 is an apocalyptic number.

It is an amenable number.

4657121 is a deficient number, since it is larger than the sum of its proper divisors (665311).

4657121 is an equidigital number, since it uses as much as digits as its factorization.

4657121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665310.

The product of its digits is 1680, while the sum is 26.

The square root of 4657121 is about 2158.0363759677. The cubic root of 4657121 is about 166.9959122668.

The spelling of 4657121 in words is "four million, six hundred fifty-seven thousand, one hundred twenty-one".