101383785 has 32 divisors (see below), whose sum is σ = 180660480. Its totient is φ = 53944704.

The previous prime is 101383783. The next prime is 101383813. The reversal of 101383785 is 587383101.

It is not a de Polignac number, because 101383785 - 2¹ = 101383783 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101383783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97629 + ... + 98661.

It is an arithmetic number, because the mean of its divisors is an integer number (5645640).

Almost surely, 2^101383785 is an apocalyptic number.

101383785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101383785 is a deficient number, since it is larger than the sum of its proper divisors (79276695).

101383785 is a wasteful number, since it uses less digits than its factorization.

101383785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1768 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 101383785 is about 10068.9515342959. The cubic root of 101383785 is about 466.2900700372.

The spelling of 101383785 in words is "one hundred one million, three hundred eighty-three thousand, seven hundred eighty-five".