5648121 has 12 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 3711960.

The previous prime is 5648117. The next prime is 5648141. The reversal of 5648121 is 1218465.

5648121 is a `hidden beast` number, since 5 + 648 + 12 + 1 = 666.

It is not a de Polignac number, because 5648121 - 2² = 5648117 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5648141) 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, 3781 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (689520).

Almost surely, 2^5648121 is an apocalyptic number.

It is an amenable number.

5648121 is a deficient number, since it is larger than the sum of its proper divisors (2626119).

5648121 is a wasteful number, since it uses less digits than its factorization.

5648121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916 (or 8913 counting only the distinct ones).

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

The square root of 5648121 is about 2376.5775813131. The cubic root of 5648121 is about 178.0880030272.

The spelling of 5648121 in words is "five million, six hundred forty-eight thousand, one hundred twenty-one".