2641020121 has 8 divisors (see below), whose sum is σ = 2780550080. Its totient is φ = 2501543088.

The previous prime is 2641020119. The next prime is 2641020133. The reversal of 2641020121 is 1210201462.

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

It is a cyclic number.

It is not a de Polignac number, because 2641020121 - 2¹ = 2641020119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641020101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127900 + ... + 147106.

It is an arithmetic number, because the mean of its divisors is an integer number (347568760).

Almost surely, 2^2641020121 is an apocalyptic number.

It is an amenable number.

2641020121 is a deficient number, since it is larger than the sum of its proper divisors (139529959).

2641020121 is a wasteful number, since it uses less digits than its factorization.

2641020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26463.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2641020121 is about 51390.8563948880. The cubic root of 2641020121 is about 1382.2626399431.

Adding to 2641020121 its reverse (1210201462), we get a palindrome (3851221583).

The spelling of 2641020121 in words is "two billion, six hundred forty-one million, twenty thousand, one hundred twenty-one".