2650121 has 4 divisors (see below), whose sum is σ = 2653392. Its totient is φ = 2646852.

The previous prime is 2650093. The next prime is 2650127. The reversal of 2650121 is 1210562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2650121 - 2⁶ = 2650057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2650121.

It is not an unprimeable number, because it can be changed into a prime (2650127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (663348).

2^2650121 is an apocalyptic number.

It is an amenable number.

2650121 is a deficient number, since it is larger than the sum of its proper divisors (3271).

2650121 is a wasteful number, since it uses less digits than its factorization.

2650121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2650121 is about 1627.9192240403. The cubic root of 2650121 is about 138.3848565353.

Adding to 2650121 its reverse (1210562), we get a palindrome (3860683).

The spelling of 2650121 in words is "two million, six hundred fifty thousand, one hundred twenty-one".