102048785 has 4 divisors (see below), whose sum is σ = 122458548. Its totient is φ = 81639024.

The previous prime is 102048781. The next prime is 102048787. The reversal of 102048785 is 587840201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 34939921 = 8192^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 102048785 - 2² = 102048781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102048781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10204874 + ... + 10204883.

It is an arithmetic number, because the mean of its divisors is an integer number (30614637).

Almost surely, 2^102048785 is an apocalyptic number.

It is an amenable number.

102048785 is a deficient number, since it is larger than the sum of its proper divisors (20409763).

102048785 is an equidigital number, since it uses as much as digits as its factorization.

102048785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409762.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 102048785 is about 10101.9198670352. The cubic root of 102048785 is about 467.3073510142.

Adding to 102048785 its reverse (587840201), we get a palindrome (689888986).

The spelling of 102048785 in words is "one hundred two million, forty-eight thousand, seven hundred eighty-five".