101200230 has 48 divisors (see below), whose sum is σ = 274566240. Its totient is φ = 25812864.

The previous prime is 101200223. The next prime is 101200241. The reversal of 101200230 is 32002101.

101200230 = 1923² + 1924² + ... + 1949².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22375 + ... + 26514.

It is an arithmetic number, because the mean of its divisors is an integer number (5720130).

Almost surely, 2^101200230 is an apocalyptic number.

101200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101200230 is an abundant number, since it is smaller than the sum of its proper divisors (173366010).

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

101200230 is a wasteful number, since it uses less digits than its factorization.

101200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48925 (or 48922 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 101200230 is about 10059.8325035758. The cubic root of 101200230 is about 466.0084945064.

Adding to 101200230 its reverse (32002101), we get a palindrome (133202331).

The spelling of 101200230 in words is "one hundred one million, two hundred thousand, two hundred thirty".