987061 has 2 divisors, whose sum is σ = 987062. Its totient is φ = 987060.

The previous prime is 987053. The next prime is 987067. The reversal of 987061 is 160789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 256036 = 855^2 + 506^2 .

It is an emirp because it is prime and its reverse (160789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 987061 - 2³ = 987053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987067) 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, 493530 + 493531.

It is an arithmetic number, because the mean of its divisors is an integer number (493531).

2⁹⁸⁷⁰⁶¹ is an apocalyptic number.

It is an amenable number.

987061 is a deficient number, since it is larger than the sum of its proper divisors (1).

987061 is an equidigital number, since it uses as much as digits as its factorization.

987061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 987061 is about 993.5094362914. The cubic root of 987061 is about 99.5668263149.

The spelling of 987061 in words is "nine hundred eighty-seven thousand, sixty-one".