101147982 has 64 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 29203200.

The previous prime is 101147953. The next prime is 101147983. The reversal of 101147982 is 289741101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101147983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193882 + ... + 194402.

It is an arithmetic number, because the mean of its divisors is an integer number (3617460).

Almost surely, 2^101147982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101147982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115758720).

101147982 is an abundant number, since it is smaller than the sum of its proper divisors (130369458).

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

101147982 is a wasteful number, since it uses less digits than its factorization.

101147982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 101147982 is about 10057.2353059874. The cubic root of 101147982 is about 465.9282832158.

The spelling of 101147982 in words is "one hundred one million, one hundred forty-seven thousand, nine hundred eighty-two".