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108122881 is a prime number
BaseRepresentation
bin1100111000111…
…01001100000001
321112110012201011
412130131030001
5210134413011
614421240521
72452013026
oct634351401
9245405634
10108122881
115603a359
1230263141
1319528b49
141050754d
15975b621
hex671d301

108122881 has 2 divisors, whose sum is σ = 108122882. Its totient is φ = 108122880.

The previous prime is 108122857. The next prime is 108122891. The reversal of 108122881 is 188221801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106419856 + 1703025 = 10316^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 108122881 - 25 = 108122849 is a prime.

It is a super-2 number, since 2×1081228812 = 23381114791480322, which contains 22 as substring.

It is equal to p6201598 and since 108122881 and 6201598 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (108122801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54061440 + 54061441.

It is an arithmetic number, because the mean of its divisors is an integer number (54061441).

Almost surely, 2108122881 is an apocalyptic number.

It is an amenable number.

108122881 is a deficient number, since it is larger than the sum of its proper divisors (1).

108122881 is an equidigital number, since it uses as much as digits as its factorization.

108122881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 108122881 is about 10398.2152795564. The cubic root of 108122881 is about 476.4008595682.

The spelling of 108122881 in words is "one hundred eight million, one hundred twenty-two thousand, eight hundred eighty-one".