101242200 has 48 divisors (see below), whose sum is σ = 313852680. Its totient is φ = 26997760.

The previous prime is 101242139. The next prime is 101242201. The reversal of 101242200 is 2242101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101242201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83769 + ... + 84968.

Almost surely, 2^101242200 is an apocalyptic number.

101242200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101242200 is an abundant number, since it is smaller than the sum of its proper divisors (212610480).

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

101242200 is a wasteful number, since it uses less digits than its factorization.

101242200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168756 (or 168747 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 101242200 is about 10061.9183061681. The cubic root of 101242200 is about 466.0729069864.

Adding to 101242200 its reverse (2242101), we get a palindrome (103484301).

Subtracting from 101242200 its reverse (2242101), we obtain a palindrome (99000099).

The spelling of 101242200 in words is "one hundred one million, two hundred forty-two thousand, two hundred".