87100141 has 2 divisors, whose sum is σ = 87100142. Its totient is φ = 87100140.

The previous prime is 87100133. The next prime is 87100171. The reversal of 87100141 is 14100178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84107241 + 2992900 = 9171^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 87100141 - 2³ = 87100133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87100171) 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 as a sum of consecutive naturals, namely, 43550070 + 43550071.

It is an arithmetic number, because the mean of its divisors is an integer number (43550071).

Almost surely, 2^87100141 is an apocalyptic number.

It is an amenable number.

87100141 is a deficient number, since it is larger than the sum of its proper divisors (1).

87100141 is an equidigital number, since it uses as much as digits as its factorization.

87100141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 87100141 is about 9332.7456303062. The cubic root of 87100141 is about 443.2747082987.

The spelling of 87100141 in words is "eighty-seven million, one hundred thousand, one hundred forty-one".