102321242 has 8 divisors (see below), whose sum is σ = 153832800. Its totient is φ = 51043644.

The previous prime is 102321239. The next prime is 102321259. The reversal of 102321242 is 242123201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102321242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57392 + ... + 59147.

It is an arithmetic number, because the mean of its divisors is an integer number (19229100).

Almost surely, 2^102321242 is an apocalyptic number.

102321242 is a deficient number, since it is larger than the sum of its proper divisors (51511558).

102321242 is a wasteful number, since it uses less digits than its factorization.

102321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116980.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102321242 is about 10115.3962848719. The cubic root of 102321242 is about 467.7228647523.

Adding to 102321242 its reverse (242123201), we get a palindrome (344444443).

The spelling of 102321242 in words is "one hundred two million, three hundred twenty-one thousand, two hundred forty-two".