101641230 has 80 divisors (see below), whose sum is σ = 282791520. Its totient is φ = 26163648.

The previous prime is 101641229. The next prime is 101641237. The reversal of 101641230 is 32146101.

It is a happy number.

101641230 is a `hidden beast` number, since 1 + 0 + 1 + 641 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101641237) 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 39 ways as a sum of consecutive naturals, for example, 21327 + ... + 25653.

It is an arithmetic number, because the mean of its divisors is an integer number (3534894).

Almost surely, 2^101641230 is an apocalyptic number.

101641230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101641230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141395760).

101641230 is an abundant number, since it is smaller than the sum of its proper divisors (181150290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101641230 is a wasteful number, since it uses less digits than its factorization.

101641230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 101641230 is about 10081.7275305376. The cubic root of 101641230 is about 466.6844216601.

Adding to 101641230 its reverse (32146101), we get a palindrome (133787331).

The spelling of 101641230 in words is "one hundred one million, six hundred forty-one thousand, two hundred thirty".