102420300 has 72 divisors (see below), whose sum is σ = 298012176. Its totient is φ = 27157760.

The previous prime is 102420277. The next prime is 102420319. The reversal of 102420300 is 3024201.

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

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, 58234 + ... + 59966.

It is an arithmetic number, because the mean of its divisors is an integer number (4139058).

Almost surely, 2^102420300 is an apocalyptic number.

102420300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149006088).

102420300 is an abundant number, since it is smaller than the sum of its proper divisors (195591876).

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

102420300 is a wasteful number, since it uses less digits than its factorization.

102420300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 102420300 is about 10120.2914977781. The cubic root of 102420300 is about 467.8737514672.

Adding to 102420300 its reverse (3024201), we get a palindrome (105444501).

The spelling of 102420300 in words is "one hundred two million, four hundred twenty thousand, three hundred".