4097121 has 16 divisors (see below), whose sum is σ = 6413184. Its totient is φ = 2277504.

The previous prime is 4097113. The next prime is 4097143. The reversal of 4097121 is 1217904.

It is not a de Polignac number, because 4097121 - 2³ = 4097113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4097091 and 4097100.

It is not an unprimeable number, because it can be changed into a prime (4097101) 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, 1860 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (400824).

Almost surely, 2^4097121 is an apocalyptic number.

It is an amenable number.

4097121 is a deficient number, since it is larger than the sum of its proper divisors (2316063).

4097121 is a wasteful number, since it uses less digits than its factorization.

4097121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 4097121 is about 2024.1346299098. The cubic root of 4097121 is about 160.0145950228.

The spelling of 4097121 in words is "four million, ninety-seven thousand, one hundred twenty-one".