101230158 has 16 divisors (see below), whose sum is σ = 202723920. Its totient is φ = 33699456.

The previous prime is 101230141. The next prime is 101230177. The reversal of 101230158 is 851032101.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5803 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (12670245).

Almost surely, 2^101230158 is an apocalyptic number.

101230158 is an abundant number, since it is smaller than the sum of its proper divisors (101493762).

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

101230158 is a wasteful number, since it uses less digits than its factorization.

101230158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21971.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 101230158 is about 10061.3198935329. The cubic root of 101230158 is about 466.0544276288.

Adding to 101230158 its reverse (851032101), we get a palindrome (952262259).

The spelling of 101230158 in words is "one hundred one million, two hundred thirty thousand, one hundred fifty-eight".