102375215 has 4 divisors (see below), whose sum is σ = 122850264. Its totient is φ = 81900168.

The previous prime is 102375209. The next prime is 102375223. The reversal of 102375215 is 512573201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102375215 - 2⁴ = 102375199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10237517 + ... + 10237526.

It is an arithmetic number, because the mean of its divisors is an integer number (30712566).

Almost surely, 2^102375215 is an apocalyptic number.

102375215 is a deficient number, since it is larger than the sum of its proper divisors (20475049).

102375215 is an equidigital number, since it uses as much as digits as its factorization.

102375215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475048.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 102375215 is about 10118.0637969920. The cubic root of 102375215 is about 467.8050893497.

The spelling of 102375215 in words is "one hundred two million, three hundred seventy-five thousand, two hundred fifteen".