102204730 has 16 divisors (see below), whose sum is σ = 188941320. Its totient is φ = 39776832.

The previous prime is 102204721. The next prime is 102204733. The reversal of 102204730 is 37402201.

It can be written as a sum of positive squares in 4 ways, for example, as 101425041 + 779689 = 10071^2 + 883^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102204698 and 102204707.

It is not an unprimeable number, because it can be changed into a prime (102204733) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 137745 + ... + 138484.

Almost surely, 2^102204730 is an apocalyptic number.

102204730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102204730 is a deficient number, since it is larger than the sum of its proper divisors (86736590).

102204730 is a wasteful number, since it uses less digits than its factorization.

102204730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276273.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 102204730 is about 10109.6355028260. The cubic root of 102204730 is about 467.5452671429.

Adding to 102204730 its reverse (37402201), we get a palindrome (139606931).

The spelling of 102204730 in words is "one hundred two million, two hundred four thousand, seven hundred thirty".