101982195 has 48 divisors (see below), whose sum is σ = 202954752. Its totient is φ = 46405440.

The previous prime is 101982193. The next prime is 101982203. The reversal of 101982195 is 591289101.

It is not a de Polignac number, because 101982195 - 2¹ = 101982193 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (101982193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82230 + ... + 83460.

It is an arithmetic number, because the mean of its divisors is an integer number (4228224).

Almost surely, 2^101982195 is an apocalyptic number.

101982195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101982195 is a deficient number, since it is larger than the sum of its proper divisors (100972557).

101982195 is a wasteful number, since it uses less digits than its factorization.

101982195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 101982195 is about 10098.6234210411. The cubic root of 101982195 is about 467.2056847133.

The spelling of 101982195 in words is "one hundred one million, nine hundred eighty-two thousand, one hundred ninety-five".