987123022 has 8 divisors (see below), whose sum is σ = 1495949616. Its totient is φ = 488473152.

The previous prime is 987123001. The next prime is 987123023. The reversal of 987123022 is 220321789.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987123023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543938 + ... + 2544325.

It is an arithmetic number, because the mean of its divisors is an integer number (186993702).

Almost surely, 2^987123022 is an apocalyptic number.

987123022 is a deficient number, since it is larger than the sum of its proper divisors (508826594).

987123022 is a wasteful number, since it uses less digits than its factorization.

987123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088362.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 987123022 is about 31418.5140005061. The cubic root of 987123022 is about 995.6891169918.

The spelling of 987123022 in words is "nine hundred eighty-seven million, one hundred twenty-three thousand, twenty-two".