942181087 has 8 divisors (see below), whose sum is σ = 981216000. Its totient is φ = 903582624.

The previous prime is 942181081. The next prime is 942181103. The reversal of 942181087 is 780181249.

It is a happy number.

942181087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942181087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942181081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104703 + ... + 113344.

It is an arithmetic number, because the mean of its divisors is an integer number (122652000).

Almost surely, 2^942181087 is an apocalyptic number.

942181087 is a deficient number, since it is larger than the sum of its proper divisors (39034913).

942181087 is a wasteful number, since it uses less digits than its factorization.

942181087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218225.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 942181087 is about 30694.9684313244. The cubic root of 942181087 is about 980.3431697657.

The spelling of 942181087 in words is "nine hundred forty-two million, one hundred eighty-one thousand, eighty-seven".