141987 has 16 divisors (see below), whose sum is σ = 207360. Its totient is φ = 86112.

The previous prime is 141971. The next prime is 141991. The reversal of 141987 is 789141.

It is not a de Polignac number, because 141987 - 2⁴ = 141971 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 141987.

It is not an unprimeable number, because it can be changed into a prime (141907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2¹⁴¹⁹⁸⁷ is an apocalyptic number.

141987 is a deficient number, since it is larger than the sum of its proper divisors (65373).

141987 is a wasteful number, since it uses less digits than its factorization.

141987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122.

The product of its digits is 2016, while the sum is 30.

The square root of 141987 is about 376.8116240245. The cubic root of 141987 is about 52.1694423404.

It can be divided in two parts, 141 and 987, that added together give a triangular number (1128 = T₄₇).

The spelling of 141987 in words is "one hundred forty-one thousand, nine hundred eighty-seven".