4856121 has 12 divisors (see below), whose sum is σ = 7033572. Its totient is φ = 3228576.

The previous prime is 4856083. The next prime is 4856143. The reversal of 4856121 is 1216584.

4856121 is a `hidden beast` number, since 48 + 5 + 612 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3980025 + 876096 = 1995^2 + 936^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4856121 is a prime.

It is a super-2 number, since 2×4856121² = 47163822333282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4856161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5695 + ... + 6491.

It is an arithmetic number, because the mean of its divisors is an integer number (586131).

Almost surely, 2^4856121 is an apocalyptic number.

It is an amenable number.

4856121 is a deficient number, since it is larger than the sum of its proper divisors (2177451).

4856121 is a wasteful number, since it uses less digits than its factorization.

4856121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1477 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 4856121 is about 2203.6608178211. The cubic root of 4856121 is about 169.3414080339.

It can be divided in two parts, 48 and 56121, that added together give a square (56169 = 237²).

The spelling of 4856121 in words is "four million, eight hundred fifty-six thousand, one hundred twenty-one".