102048786 has 48 divisors (see below), whose sum is σ = 253281600. Its totient is φ = 29088864.

The previous prime is 102048781. The next prime is 102048787. The reversal of 102048786 is 687840201.

It is a self number, because there is not a number n which added to its sum of digits gives 102048786.

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 23 ways as a sum of consecutive naturals, for example, 82420 + ... + 83648.

It is an arithmetic number, because the mean of its divisors is an integer number (5276700).

Almost surely, 2^102048786 is an apocalyptic number.

102048786 is an abundant number, since it is smaller than the sum of its proper divisors (151232814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102048786 is a wasteful number, since it uses less digits than its factorization.

102048786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1900 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 102048786 is about 10101.9199165307. The cubic root of 102048786 is about 467.3073525406.

Adding to 102048786 its reverse (687840201), we get a palindrome (789888987).

The spelling of 102048786 in words is "one hundred two million, forty-eight thousand, seven hundred eighty-six".