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122008 = 23101151
BaseRepresentation
bin11101110010011000
320012100211
4131302120
512401013
62340504
71015465
oct356230
9205324
10122008
1183737
125a734
13436c3
143266c
152623d
hex1dc98

122008 has 16 divisors (see below), whose sum is σ = 232560. Its totient is φ = 60000.

The previous prime is 121997. The next prime is 122011. The reversal of 122008 is 800221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (14535).

2122008 is an apocalyptic number.

122008 is the 202-nd octagonal number.

It is an amenable number.

122008 is a deficient number, since it is larger than the sum of its proper divisors (110552).

122008 is a wasteful number, since it uses less digits than its factorization.

122008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122008 is about 349.2964357104. The cubic root of 122008 is about 49.5978406968.

Adding to 122008 its reverse (800221), we get a palindrome (922229).

The spelling of 122008 in words is "one hundred twenty-two thousand, eight".

Divisors: 1 2 4 8 101 151 202 302 404 604 808 1208 15251 30502 61004 122008