115242102 has 20 divisors (see below), whose sum is σ = 258228036. Its totient is φ = 38413980.

The previous prime is 115242079. The next prime is 115242109. The reversal of 115242102 is 201242511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115242109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 355524 + ... + 355847.

Almost surely, 2^115242102 is an apocalyptic number.

115242102 is an abundant number, since it is smaller than the sum of its proper divisors (142985934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115242102 is an equidigital number, since it uses as much as digits as its factorization.

115242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711385 (or 711376 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 115242102 is about 10735.0874239570. The cubic root of 115242102 is about 486.6354285531.

Adding to 115242102 its reverse (201242511), we get a palindrome (316484613).

The spelling of 115242102 in words is "one hundred fifteen million, two hundred forty-two thousand, one hundred two".