102340 has 48 divisors (see below), whose sum is σ = 266112. Its totient is φ = 32256.

The previous prime is 102337. The next prime is 102359. The reversal of 102340 is 43201.

102340 = T₁ + T₂ + ... + T₈₄.

102340 is a nontrivial binomial coefficient, being equal to C(86, 3).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is the 84-th tetrahedral number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (5544).

2¹⁰²³⁴⁰ is an apocalyptic number.

102340 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 102340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133056).

102340 is an abundant number, since it is smaller than the sum of its proper divisors (163772).

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

102340 is a wasteful number, since it uses less digits than its factorization.

102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102340 is about 319.9062362631. The cubic root of 102340 is about 46.7751444707.

Adding to 102340 its reverse (43201), we get a palindrome (145541).

The spelling of 102340 in words is "one hundred two thousand, three hundred forty", and thus it is an iban number.