2481616121 has 8 divisors (see below), whose sum is σ = 2535432960. Its totient is φ = 2427841728.

The previous prime is 2481616099. The next prime is 2481616147. The reversal of 2481616121 is 1216161842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2481616121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2481616421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126545 + ... + 144833.

It is an arithmetic number, because the mean of its divisors is an integer number (316929120).

Almost surely, 2^2481616121 is an apocalyptic number.

It is an amenable number.

2481616121 is a deficient number, since it is larger than the sum of its proper divisors (53816839).

2481616121 is a wasteful number, since it uses less digits than its factorization.

2481616121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21223.

The product of its digits is 4608, while the sum is 32.

The square root of 2481616121 is about 49815.8219946234. The cubic root of 2481616121 is about 1353.8738519641.

Adding to 2481616121 its reverse (1216161842), we get a palindrome (3697777963).

The spelling of 2481616121 in words is "two billion, four hundred eighty-one million, six hundred sixteen thousand, one hundred twenty-one".