2120122 has 4 divisors (see below), whose sum is σ = 3180186. Its totient is φ = 1060060.

The previous prime is 2120119. The next prime is 2120143. The reversal of 2120122 is 2210212.

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

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 72361 = 1431^2 + 269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120099 and 2120108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530029 + ... + 530032.

2^2120122 is an apocalyptic number.

2120122 is a deficient number, since it is larger than the sum of its proper divisors (1060064).

2120122 is a wasteful number, since it uses less digits than its factorization.

2120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060063.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2120122 is about 1456.0638722254. The cubic root of 2120122 is about 128.4656299545.

Adding to 2120122 its reverse (2210212), we get a palindrome (4330334).

The spelling of 2120122 in words is "two million, one hundred twenty thousand, one hundred twenty-two".