101481985 has 16 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 73479040.

The previous prime is 101481937. The next prime is 101482013. The reversal of 101481985 is 589184101.

It is not a de Polignac number, because 101481985 - 2²¹ = 99384833 is a prime.

It is an unprimeable number.

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, 8856 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (8339760).

Almost surely, 2^101481985 is an apocalyptic number.

It is an amenable number.

101481985 is a deficient number, since it is larger than the sum of its proper divisors (31954175).

101481985 is a wasteful number, since it uses less digits than its factorization.

101481985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 101481985 is about 10073.8267306918. The cubic root of 101481985 is about 466.4405704646.

The spelling of 101481985 in words is "one hundred one million, four hundred eighty-one thousand, nine hundred eighty-five".