101421200 has 30 divisors (see below), whose sum is σ = 243665394. Its totient is φ = 40568320.

The previous prime is 101421179. The next prime is 101421209. The reversal of 101421200 is 2124101.

It can be written as a sum of positive squares in 3 ways, for example, as 14409616 + 87011584 = 3796^2 + 9328^2 .

It is not an unprimeable number, because it can be changed into a prime (101421209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126377 + ... + 127176.

Almost surely, 2^101421200 is an apocalyptic number.

101421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421200 is an abundant number, since it is smaller than the sum of its proper divisors (142244194).

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

101421200 is a wasteful number, since it uses less digits than its factorization.

101421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253571 (or 253560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101421200 is about 10070.8093021365. The cubic root of 101421200 is about 466.3474233811.

Adding to 101421200 its reverse (2124101), we get a palindrome (103545301).

The spelling of 101421200 in words is "one hundred one million, four hundred twenty-one thousand, two hundred".