101987922 has 32 divisors (see below), whose sum is σ = 207148032. Its totient is φ = 33471504.

The previous prime is 101987891. The next prime is 101987929. The reversal of 101987922 is 229789101.

It is not an unprimeable number, because it can be changed into a prime (101987929) 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 15 ways as a sum of consecutive naturals, for example, 139923 + ... + 140649.

It is an arithmetic number, because the mean of its divisors is an integer number (6473376).

Almost surely, 2^101987922 is an apocalyptic number.

101987922 is an abundant number, since it is smaller than the sum of its proper divisors (105160110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101987922 is a wasteful number, since it uses less digits than its factorization.

101987922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 101987922 is about 10098.9069705587. The cubic root of 101987922 is about 467.2144301512.

The spelling of 101987922 in words is "one hundred one million, nine hundred eighty-seven thousand, nine hundred twenty-two".