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2122 = 21061
BaseRepresentation
bin100001001010
32220121
4201022
531442
613454
76121
oct4112
92817
102122
11165a
12128a
13c73
14ab8
15967
hex84a

2122 has 4 divisors (see below), whose sum is σ = 3186. Its totient is φ = 1060.

The previous prime is 2113. The next prime is 2129. The reversal of 2122 is 2212.

It is a happy number.

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., 1681 + 441 = 41^2 + 21^2 .

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529 + ... + 532.

2122 is a deficient number, since it is larger than the sum of its proper divisors (1064).

2122 is a wasteful number, since it uses less digits than its factorization.

2122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its digits is 8, while the sum is 7.

The square root of 2122 is about 46.0651712251. The cubic root of 2122 is about 12.8503550296.

Adding to 2122 its reverse (2212), we get a palindrome (4334).

It can be divided in two parts, 212 and 2, that multiplied together give a palindrome (424).

The spelling of 2122 in words is "two thousand, one hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 1061 2122