2050121 has 4 divisors (see below), whose sum is σ = 2057412. Its totient is φ = 2042832.

The previous prime is 2050109. The next prime is 2050141. The reversal of 2050121 is 1210502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 657721 = 1180^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050121 - 2⁶ = 2050057 is a prime.

It is a super-2 number, since 2×2050121² = 8405992229282, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2050141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206 + ... + 3791.

It is an arithmetic number, because the mean of its divisors is an integer number (514353).

2^2050121 is an apocalyptic number.

It is an amenable number.

2050121 is a deficient number, since it is larger than the sum of its proper divisors (7291).

2050121 is an equidigital number, since it uses as much as digits as its factorization.

2050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2050121 is about 1431.8243607370. The cubic root of 2050121 is about 127.0359085846.

Adding to 2050121 its reverse (1210502), we get a palindrome (3260623).

The spelling of 2050121 in words is "two million, fifty thousand, one hundred twenty-one".