5918121 has 12 divisors (see below), whose sum is σ = 9325680. Its totient is φ = 3586680.

The previous prime is 5918119. The next prime is 5918123. The reversal of 5918121 is 1218195.

It is an interprime number because it is at equal distance from previous prime (5918119) and next prime (5918123).

It is not a de Polignac number, because 5918121 - 2¹ = 5918119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5918123) 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, 29791 + ... + 29988.

It is an arithmetic number, because the mean of its divisors is an integer number (777140).

Almost surely, 2^5918121 is an apocalyptic number.

It is an amenable number.

5918121 is a deficient number, since it is larger than the sum of its proper divisors (3407559).

5918121 is a wasteful number, since it uses less digits than its factorization.

5918121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59796 (or 59793 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 5918121 is about 2432.7188493535. The cubic root of 5918121 is about 180.8816926782.

The spelling of 5918121 in words is "five million, nine hundred eighteen thousand, one hundred twenty-one".