102252615 has 8 divisors (see below), whose sum is σ = 163604208. Its totient is φ = 54534720.

The previous prime is 102252607. The next prime is 102252629. The reversal of 102252615 is 516252201.

It is a happy number.

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

It is not a de Polignac number, because 102252615 - 2³ = 102252607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3408406 + ... + 3408435.

It is an arithmetic number, because the mean of its divisors is an integer number (20450526).

Almost surely, 2^102252615 is an apocalyptic number.

102252615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102252615 is a deficient number, since it is larger than the sum of its proper divisors (61351593).

102252615 is an equidigital number, since it uses as much as digits as its factorization.

102252615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816849.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 102252615 is about 10112.0035106798. The cubic root of 102252615 is about 467.6182739061.

The spelling of 102252615 in words is "one hundred two million, two hundred fifty-two thousand, six hundred fifteen".