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BaseRepresentation
bin11010010101101001
312110222121
4122111221
511423011
62151241
7626344
oct322551
9173877
10107881
1174064
1252521
133a147
142b45b
1521e71
hex1a569

107881 has 2 divisors, whose sum is σ = 107882. Its totient is φ = 107880.

The previous prime is 107873. The next prime is 107897. The reversal of 107881 is 188701.

107881 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80656 + 27225 = 284^2 + 165^2 .

It is an emirp because it is prime and its reverse (188701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107881 - 23 = 107873 is a prime.

It is a super-2 number, since 2×1078812 = 23276620322, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 107881 parts by 464 straight cuts.

It is not a weakly prime, because it can be changed into another prime (107581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53940 + 53941.

It is an arithmetic number, because the mean of its divisors is an integer number (53941).

2107881 is an apocalyptic number.

It is an amenable number.

107881 is a deficient number, since it is larger than the sum of its proper divisors (1).

107881 is an equidigital number, since it uses as much as digits as its factorization.

107881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 107881 is about 328.4524318680. The cubic root of 107881 is about 47.6045343231.

The spelling of 107881 in words is "one hundred seven thousand, eight hundred eighty-one".