102534020 has 12 divisors (see below), whose sum is σ = 215321484. Its totient is φ = 41013600.

The previous prime is 102534001. The next prime is 102534041. The reversal of 102534020 is 20435201.

It can be written as a sum of positive squares in 2 ways, for example, as 26460736 + 76073284 = 5144^2 + 8722^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102534020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563331 + ... + 2563370.

It is an arithmetic number, because the mean of its divisors is an integer number (17943457).

Almost surely, 2^102534020 is an apocalyptic number.

102534020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102534020 is an abundant number, since it is smaller than the sum of its proper divisors (112787464).

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

102534020 is a wasteful number, since it uses less digits than its factorization.

102534020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126710 (or 5126708 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102534020 is about 10125.9083543157. The cubic root of 102534020 is about 468.0468516662.

Adding to 102534020 its reverse (20435201), we get a palindrome (122969221).

The spelling of 102534020 in words is "one hundred two million, five hundred thirty-four thousand, twenty".