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120231122 = 2116189591
BaseRepresentation
bin1110010101010…
…01010011010010
322101020101002112
413022221103102
5221234343442
615532545322
72656643024
oct712512322
9271211075
10120231122
116195a470
1234322242
131bba819b
1411d7a014
15a84e082
hex72a94d2

120231122 has 16 divisors (see below), whose sum is σ = 199969344. Its totient is φ = 53754000.

The previous prime is 120231121. The next prime is 120231169. The reversal of 120231122 is 221132021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120231097 and 120231106.

It is not an unprimeable number, because it can be changed into a prime (120231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43454 + ... + 46137.

It is an arithmetic number, because the mean of its divisors is an integer number (12498084).

Almost surely, 2120231122 is an apocalyptic number.

120231122 is a deficient number, since it is larger than the sum of its proper divisors (79738222).

120231122 is a wasteful number, since it uses less digits than its factorization.

120231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89665.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120231122 is about 10964.9953032366. The cubic root of 120231122 is about 493.5588761536.

Adding to 120231122 its reverse (221132021), we get a palindrome (341363143).

The spelling of 120231122 in words is "one hundred twenty million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 11 22 61 122 671 1342 89591 179182 985501 1971002 5465051 10930102 60115561 120231122