102502340 has 36 divisors (see below), whose sum is σ = 227196396. Its totient is φ = 38840256.

The previous prime is 102502307. The next prime is 102502349. The reversal of 102502340 is 43205201.

It can be written as a sum of positive squares in 2 ways, for example, as 77721856 + 24780484 = 8816^2 + 4978^2 .

It is not an unprimeable number, because it can be changed into a prime (102502349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (6311011).

Almost surely, 2^102502340 is an apocalyptic number.

102502340 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 102502340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113598198).

102502340 is an abundant number, since it is smaller than the sum of its proper divisors (124694056).

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

102502340 is a wasteful number, since it uses less digits than its factorization.

102502340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14244 (or 14223 counting only the distinct ones).

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

The square root of 102502340 is about 10124.3439293615. The cubic root of 102502340 is about 467.9986424584.

Adding to 102502340 its reverse (43205201), we get a palindrome (145707541).

The spelling of 102502340 in words is "one hundred two million, five hundred two thousand, three hundred forty".