102242755 has 8 divisors (see below), whose sum is σ = 124070400. Its totient is φ = 80874816.

The previous prime is 102242731. The next prime is 102242773. The reversal of 102242755 is 557242201.

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 102242755 - 2¹¹ = 102240707 is a prime.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114435 + ... + 115324.

It is an arithmetic number, because the mean of its divisors is an integer number (15508800).

Almost surely, 2^102242755 is an apocalyptic number.

102242755 is a deficient number, since it is larger than the sum of its proper divisors (21827645).

102242755 is an equidigital number, since it uses as much as digits as its factorization.

102242755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229853.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 102242755 is about 10111.5159595384. The cubic root of 102242755 is about 467.6032429478.

Adding to 102242755 its reverse (557242201), we get a palindrome (659484956).

The spelling of 102242755 in words is "one hundred two million, two hundred forty-two thousand, seven hundred fifty-five".