2120151 has 16 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 1252800.

The previous prime is 2120147. The next prime is 2120171. The reversal of 2120151 is 1510212.

2120151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2120151 - 2² = 2120147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120101) 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 in 15 ways as a sum of consecutive naturals, for example, 570 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (197568).

2^2120151 is an apocalyptic number.

2120151 is a deficient number, since it is larger than the sum of its proper divisors (1040937).

2120151 is a wasteful number, since it uses less digits than its factorization.

2120151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2120151 is about 1456.0738305457. The cubic root of 2120151 is about 128.4662156891.

Adding to 2120151 its reverse (1510212), we get a palindrome (3630363).

The spelling of 2120151 in words is "two million, one hundred twenty thousand, one hundred fifty-one".