987127 has 2 divisors, whose sum is σ = 987128. Its totient is φ = 987126.

The previous prime is 987101. The next prime is 987143. The reversal of 987127 is 721789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 987127 - 2¹¹ = 985079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 987092 and 987101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493563 + 493564.

It is an arithmetic number, because the mean of its divisors is an integer number (493564).

2⁹⁸⁷¹²⁷ is an apocalyptic number.

987127 is a deficient number, since it is larger than the sum of its proper divisors (1).

987127 is an equidigital number, since it uses as much as digits as its factorization.

987127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 34.

The square root of 987127 is about 993.5426513240. The cubic root of 987127 is about 99.5690454497.

It can be divided in two parts, 98 and 7127, that added together give a square (7225 = 85²).

The spelling of 987127 in words is "nine hundred eighty-seven thousand, one hundred twenty-seven".