102421300 has 36 divisors (see below), whose sum is σ = 231922656. Its totient is φ = 39186400.

The previous prime is 102421283. The next prime is 102421331. The reversal of 102421300 is 3124201.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19966 + ... + 24565.

It is an arithmetic number, because the mean of its divisors is an integer number (6442296).

Almost surely, 2^102421300 is an apocalyptic number.

102421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102421300 is an abundant number, since it is smaller than the sum of its proper divisors (129501356).

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

102421300 is a wasteful number, since it uses less digits than its factorization.

102421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44568 (or 44561 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102421300 is about 10120.3409033491. The cubic root of 102421300 is about 467.8752741870.

Adding to 102421300 its reverse (3124201), we get a palindrome (105545501).

The spelling of 102421300 in words is "one hundred two million, four hundred twenty-one thousand, three hundred".