102242515 has 8 divisors (see below), whose sum is σ = 129148560. Its totient is φ = 77488992.

The previous prime is 102242467. The next prime is 102242537. The reversal of 102242515 is 515242201.

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

It is not a de Polignac number, because 102242515 - 2¹³ = 102234323 is a prime.

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, 538024 + ... + 538213.

It is an arithmetic number, because the mean of its divisors is an integer number (16143570).

Almost surely, 2^102242515 is an apocalyptic number.

102242515 is a deficient number, since it is larger than the sum of its proper divisors (26906045).

102242515 is a wasteful number, since it uses less digits than its factorization.

102242515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076261.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 102242515 is about 10111.5040918748. The cubic root of 102242515 is about 467.6028770706.

Adding to 102242515 its reverse (515242201), we get a palindrome (617484716).

The spelling of 102242515 in words is "one hundred two million, two hundred forty-two thousand, five hundred fifteen".