2880121 has 2 divisors, whose sum is σ = 2880122. Its totient is φ = 2880120.

The previous prime is 2880109. The next prime is 2880131. The reversal of 2880121 is 1210882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 1354896 = 1235^2 + 1164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2880121 - 2⁹ = 2879609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2880092 and 2880101.

It is not a weakly prime, because it can be changed into another prime (2880131) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440060 + 1440061.

It is an arithmetic number, because the mean of its divisors is an integer number (1440061).

2^2880121 is an apocalyptic number.

It is an amenable number.

2880121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2880121 is an equidigital number, since it uses as much as digits as its factorization.

2880121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2880121 is about 1697.0919244402. The cubic root of 2880121 is about 142.2777246706.

The spelling of 2880121 in words is "two million, eight hundred eighty thousand, one hundred twenty-one".