2129051 has 2 divisors, whose sum is σ = 2129052. Its totient is φ = 2129050.

The previous prime is 2129047. The next prime is 2129069. The reversal of 2129051 is 1509212.

2129051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2129051 - 2² = 2129047 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2129011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064525 + 1064526.

It is an arithmetic number, because the mean of its divisors is an integer number (1064526).

2^2129051 is an apocalyptic number.

2129051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129051 is an equidigital number, since it uses as much as digits as its factorization.

2129051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2129051 is about 1459.1267936680. The cubic root of 2129051 is about 128.6457238443.

The spelling of 2129051 in words is "two million, one hundred twenty-nine thousand, fifty-one".