2481121 has 2 divisors, whose sum is σ = 2481122. Its totient is φ = 2481120.

The previous prime is 2481113. The next prime is 2481137. The reversal of 2481121 is 1211842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 698896 = 1335^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481121 - 2³ = 2481113 is a prime.

It is a super-2 number, since 2×2481121² = 12311922833282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2481181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240560 + 1240561.

It is an arithmetic number, because the mean of its divisors is an integer number (1240561).

2^2481121 is an apocalyptic number.

It is an amenable number.

2481121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481121 is an equidigital number, since it uses as much as digits as its factorization.

2481121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 19.

The square root of 2481121 is about 1575.1574524472. The cubic root of 2481121 is about 135.3783806348.

Adding to 2481121 its reverse (1211842), we get a palindrome (3692963).

It can be divided in two parts, 248 and 1121, that added together give a square (1369 = 37²).

The spelling of 2481121 in words is "two million, four hundred eighty-one thousand, one hundred twenty-one".