2122051 has 4 divisors (see below), whose sum is σ = 2125000. Its totient is φ = 2119104.

The previous prime is 2122039. The next prime is 2122063. The reversal of 2122051 is 1502212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2122039) and next prime (2122063).

It is a cyclic number.

It is not a de Polignac number, because 2122051 - 2¹⁹ = 1597763 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122031) 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, 400 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (531250).

2^2122051 is an apocalyptic number.

2122051 is a deficient number, since it is larger than the sum of its proper divisors (2949).

2122051 is a wasteful number, since it uses less digits than its factorization.

2122051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2122051 is about 1456.7261238819. The cubic root of 2122051 is about 128.5045797699.

Adding to 2122051 its reverse (1502212), we get a palindrome (3624263).

The spelling of 2122051 in words is "two million, one hundred twenty-two thousand, fifty-one".