102243387 has 8 divisors (see below), whose sum is σ = 136468800. Its totient is φ = 68090120.

The previous prime is 102243373. The next prime is 102243391. The reversal of 102243387 is 783342201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102243387 - 2⁸ = 102243131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102243367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14637 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (17058600).

Almost surely, 2^102243387 is an apocalyptic number.

102243387 is a deficient number, since it is larger than the sum of its proper divisors (34225413).

102243387 is an equidigital number, since it uses as much as digits as its factorization.

102243387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 102243387 is about 10111.5472109861. The cubic root of 102243387 is about 467.6042064215.

Adding to 102243387 its reverse (783342201), we get a palindrome (885585588).

The spelling of 102243387 in words is "one hundred two million, two hundred forty-three thousand, three hundred eighty-seven".