2065240121 has 16 divisors (see below), whose sum is σ = 2500315776. Its totient is φ = 1665275136.

The previous prime is 2065240117. The next prime is 2065240139. The reversal of 2065240121 is 1210425602.

It is a happy number.

It is not a de Polignac number, because 2065240121 - 2² = 2065240117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2065240721) 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, 467495 + ... + 471891.

It is an arithmetic number, because the mean of its divisors is an integer number (156269736).

Almost surely, 2^2065240121 is an apocalyptic number.

It is an amenable number.

2065240121 is a deficient number, since it is larger than the sum of its proper divisors (435075655).

2065240121 is a wasteful number, since it uses less digits than its factorization.

2065240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2065240121 is about 45444.9130376547. The cubic root of 2065240121 is about 1273.4742987781.

Adding to 2065240121 its reverse (1210425602), we get a palindrome (3275665723).

The spelling of 2065240121 in words is "two billion, sixty-five million, two hundred forty thousand, one hundred twenty-one".