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122323120121 = 236547812341
BaseRepresentation
bin111000111101100000…
…1101010111111111001
3102200201220112100012102
41301323001222333321
54001004204320441
6132110000553145
711560165236236
oct1617301527771
9380656470172
10122323120121
1147971237704
121b8599227b5
13b6c5595b67
145cc5ab278d
1532adde269b
hex1c7b06aff9

122323120121 has 8 divisors (see below), whose sum is σ = 127661169984. Its totient is φ = 116986708080.

The previous prime is 122323120109. The next prime is 122323120159. The reversal of 122323120121 is 121021323221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122323120121 - 26 = 122323120057 is a prime.

It is a super-2 number, since 2×1223231201212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122323120093 and 122323120102.

It is not an unprimeable number, because it can be changed into a prime (122323123121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255590 + ... + 556751.

It is an arithmetic number, because the mean of its divisors is an integer number (15957646248).

Almost surely, 2122323120121 is an apocalyptic number.

It is an amenable number.

122323120121 is a deficient number, since it is larger than the sum of its proper divisors (5338049863).

122323120121 is an equidigital number, since it uses as much as digits as its factorization.

122323120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818911.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122323120121 its reverse (121021323221), we get a palindrome (243344443342).

The spelling of 122323120121 in words is "one hundred twenty-two billion, three hundred twenty-three million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 23 6547 150581 812341 18683843 5318396527 122323120121