101982115 has 16 divisors (see below), whose sum is σ = 128651328. Its totient is φ = 77456896.

The previous prime is 101982113. The next prime is 101982131. The reversal of 101982115 is 511289101.

It is a cyclic number.

It is not a de Polignac number, because 101982115 - 2¹ = 101982113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101982113) 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 15 ways as a sum of consecutive naturals, for example, 12519 + ... + 18991.

It is an arithmetic number, because the mean of its divisors is an integer number (8040708).

Almost surely, 2^101982115 is an apocalyptic number.

101982115 is a deficient number, since it is larger than the sum of its proper divisors (26669213).

101982115 is a wasteful number, since it uses less digits than its factorization.

101982115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638.

The product of its (nonzero) digits is 720, while the sum is 28.

The square root of 101982115 is about 10098.6194601044. The cubic root of 101982115 is about 467.2055625467.

The spelling of 101982115 in words is "one hundred one million, nine hundred eighty-two thousand, one hundred fifteen".