102234540 has 72 divisors (see below), whose sum is σ = 299336688. Its totient is φ = 26069120.

The previous prime is 102234527. The next prime is 102234553. The reversal of 102234540 is 45432201.

It is an interprime number because it is at equal distance from previous prime (102234527) and next prime (102234553).

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, 30130 + ... + 33350.

It is an arithmetic number, because the mean of its divisors is an integer number (4157454).

Almost surely, 2^102234540 is an apocalyptic number.

102234540 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 102234540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149668344).

102234540 is an abundant number, since it is smaller than the sum of its proper divisors (197102148).

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

102234540 is a wasteful number, since it uses less digits than its factorization.

102234540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279 (or 3254 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102234540 is about 10111.1097313796. The cubic root of 102234540 is about 467.5907189519.

Adding to 102234540 its reverse (45432201), we get a palindrome (147666741).

The spelling of 102234540 in words is "one hundred two million, two hundred thirty-four thousand, five hundred forty".