102242500 has 30 divisors (see below), whose sum is σ = 223589366. Its totient is φ = 40896000.

The previous prime is 102242467. The next prime is 102242537. The reversal of 102242500 is 5242201.

It can be written as a sum of positive squares in 5 ways, for example, as 20376196 + 81866304 = 4514^2 + 9048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17949 + ... + 22948.

Almost surely, 2^102242500 is an apocalyptic number.

102242500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102242500 is an abundant number, since it is smaller than the sum of its proper divisors (121346866).

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

102242500 is an equidigital number, since it uses as much as digits as its factorization.

102242500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40921 (or 40904 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 102242500 is about 10111.5033501453. The cubic root of 102242500 is about 467.6028542033.

Adding to 102242500 its reverse (5242201), we get a palindrome (107484701).

The spelling of 102242500 in words is "one hundred two million, two hundred forty-two thousand, five hundred".