102369 has 4 divisors (see below), whose sum is σ = 136496. Its totient is φ = 68244.

The previous prime is 102367. The next prime is 102397. The reversal of 102369 is 963201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102369 - 2¹ = 102367 is a prime.

It is a super-2 number, since 2×102369² = 20958824322, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17059 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (34124).

2¹⁰²³⁶⁹ is an apocalyptic number.

It is an amenable number.

102369 is a deficient number, since it is larger than the sum of its proper divisors (34127).

102369 is an equidigital number, since it uses as much as digits as its factorization.

102369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34126.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 102369 is about 319.9515588335. The cubic root of 102369 is about 46.7795622646.

The spelling of 102369 in words is "one hundred two thousand, three hundred sixty-nine".