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122012123 is a prime number
BaseRepresentation
bin1110100010111…
…00000111011011
322111120212011112
413101130013123
5222213341443
620035050535
73011041322
oct721340733
9274525145
10122012123
1162966572
1234a40a4b
131c37ca2c
14122c10b9
15aaa1b18
hex745c1db

122012123 has 2 divisors, whose sum is σ = 122012124. Its totient is φ = 122012122.

The previous prime is 122012119. The next prime is 122012131. The reversal of 122012123 is 321210221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122012123 - 22 = 122012119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122012098 and 122012107.

It is not a weakly prime, because it can be changed into another prime (122012153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006061 + 61006062.

It is an arithmetic number, because the mean of its divisors is an integer number (61006062).

Almost surely, 2122012123 is an apocalyptic number.

122012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012123 is an equidigital number, since it uses as much as digits as its factorization.

122012123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 122012123 is about 11045.9097859796. The cubic root of 122012123 is about 495.9839937494.

Adding to 122012123 its reverse (321210221), we get a palindrome (443222344).

The spelling of 122012123 in words is "one hundred twenty-two million, twelve thousand, one hundred twenty-three".