102991848 has 32 divisors (see below), whose sum is σ = 272626560. Its totient is φ = 32311040.

The previous prime is 102991829. The next prime is 102991849. The reversal of 102991848 is 848199201.

It is not an unprimeable number, because it can be changed into a prime (102991849) 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 7 ways as a sum of consecutive naturals, for example, 125808 + ... + 126623.

It is an arithmetic number, because the mean of its divisors is an integer number (8519580).

Almost surely, 2^102991848 is an apocalyptic number.

It is an amenable number.

102991848 is an abundant number, since it is smaller than the sum of its proper divisors (169634712).

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

102991848 is a wasteful number, since it uses less digits than its factorization.

102991848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252457 (or 252453 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 102991848 is about 10148.4899369315. The cubic root of 102991848 is about 468.7424478072.

The spelling of 102991848 in words is "one hundred two million, nine hundred ninety-one thousand, eight hundred forty-eight".