102242055 has 8 divisors (see below), whose sum is σ = 163587312. Its totient is φ = 54529088.

The previous prime is 102242051. The next prime is 102242083. The reversal of 102242055 is 550242201.

It is a happy number.

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 102242055 - 2² = 102242051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242051) by changing a digit.

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, 3408054 + ... + 3408083.

It is an arithmetic number, because the mean of its divisors is an integer number (20448414).

Almost surely, 2^102242055 is an apocalyptic number.

102242055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102242055 is a deficient number, since it is larger than the sum of its proper divisors (61345257).

102242055 is an equidigital number, since it uses as much as digits as its factorization.

102242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816145.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 102242055 is about 10111.4813454805. The cubic root of 102242055 is about 467.6021758044.

Adding to 102242055 its reverse (550242201), we get a palindrome (652484256).

The spelling of 102242055 in words is "one hundred two million, two hundred forty-two thousand, fifty-five".