102048215 has 4 divisors (see below), whose sum is σ = 122457864. Its totient is φ = 81638568.

The previous prime is 102048211. The next prime is 102048223. The reversal of 102048215 is 512840201.

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 102048215 - 2² = 102048211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102048211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10204817 + ... + 10204826.

It is an arithmetic number, because the mean of its divisors is an integer number (30614466).

Almost surely, 2^102048215 is an apocalyptic number.

102048215 is a deficient number, since it is larger than the sum of its proper divisors (20409649).

102048215 is an equidigital number, since it uses as much as digits as its factorization.

102048215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409648.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 102048215 is about 10101.8916545368. The cubic root of 102048215 is about 467.3064809542.

Adding to 102048215 its reverse (512840201), we get a palindrome (614888416).

The spelling of 102048215 in words is "one hundred two million, forty-eight thousand, two hundred fifteen".