101730385 has 8 divisors (see below), whose sum is σ = 122146920. Its totient is φ = 81337344.

The previous prime is 101730383. The next prime is 101730413. The reversal of 101730385 is 583037101.

It can be written as a sum of positive squares in 4 ways, for example, as 8105409 + 93624976 = 2847^2 + 9676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101730385 - 2¹ = 101730383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101730383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5751 + ... + 15379.

It is an arithmetic number, because the mean of its divisors is an integer number (15268365).

Almost surely, 2^101730385 is an apocalyptic number.

It is an amenable number.

101730385 is a deficient number, since it is larger than the sum of its proper divisors (20416535).

101730385 is an equidigital number, since it uses as much as digits as its factorization.

101730385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 101730385 is about 10086.1481746006. The cubic root of 101730385 is about 466.8208331348.

Adding to 101730385 its reverse (583037101), we get a palindrome (684767486).

The spelling of 101730385 in words is "one hundred one million, seven hundred thirty thousand, three hundred eighty-five".