101239984 has 20 divisors (see below), whose sum is σ = 197016160. Its totient is φ = 50397120.

The previous prime is 101239979. The next prime is 101240023. The reversal of 101239984 is 489932101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10152 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (9850808).

Almost surely, 2^101239984 is an apocalyptic number.

It is an amenable number.

101239984 is a deficient number, since it is larger than the sum of its proper divisors (95776176).

101239984 is a wasteful number, since it uses less digits than its factorization.

101239984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27868 (or 27862 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 101239984 is about 10061.8081873985. The cubic root of 101239984 is about 466.0695064772.

The spelling of 101239984 in words is "one hundred one million, two hundred thirty-nine thousand, nine hundred eighty-four".