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122028 = 22310169
BaseRepresentation
bin11101110010101100
320012101120
4131302230
512401103
62340540
71015524
oct356254
9205346
10122028
1183755
125a750
134370a
1432684
1526253
hex1dcac

122028 has 12 divisors (see below), whose sum is σ = 284760. Its totient is φ = 40672.

The previous prime is 122027. The next prime is 122029. The reversal of 122028 is 820221.

It is an interprime number because it is at equal distance from previous prime (122027) and next prime (122029).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121998 and 122016.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122028.

It is not an unprimeable number, because it can be changed into a prime (122021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5073 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (23730).

2122028 is an apocalyptic number.

It is an amenable number.

122028 is an abundant number, since it is smaller than the sum of its proper divisors (162732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122028 is a wasteful number, since it uses less digits than its factorization.

122028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176 (or 10174 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122028 is about 349.3250635153. The cubic root of 122028 is about 49.6005506356.

Adding to 122028 its reverse (820221), we get a palindrome (942249).

It can be divided in two parts, 12 and 2028, that multiplied together give a square (24336 = 1562).

The spelling of 122028 in words is "one hundred twenty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 10169 20338 30507 40676 61014 122028