141115987 has 4 divisors (see below), whose sum is σ = 142434936. Its totient is φ = 139797040.

The previous prime is 141115913. The next prime is 141116009. The reversal of 141115987 is 789511141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141115987 - 2⁷ = 141115859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141110987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659314 + ... + 659527.

It is an arithmetic number, because the mean of its divisors is an integer number (35608734).

Almost surely, 2^141115987 is an apocalyptic number.

141115987 is a deficient number, since it is larger than the sum of its proper divisors (1318949).

141115987 is a wasteful number, since it uses less digits than its factorization.

141115987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318948.

The product of its digits is 10080, while the sum is 37.

The square root of 141115987 is about 11879.2250168098. The cubic root of 141115987 is about 520.6254640964.

The spelling of 141115987 in words is "one hundred forty-one million, one hundred fifteen thousand, nine hundred eighty-seven".