102550122 has 24 divisors (see below), whose sum is σ = 222449760. Its totient is φ = 34143720.

The previous prime is 102550121. The next prime is 102550153. The reversal of 102550122 is 221055201.

102550122 is a `hidden beast` number, since 102 + 550 + 12 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102550095 and 102550104.

It is not an unprimeable number, because it can be changed into a prime (102550121) 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 11 ways as a sum of consecutive naturals, for example, 15547 + ... + 21137.

It is an arithmetic number, because the mean of its divisors is an integer number (9268740).

Almost surely, 2^102550122 is an apocalyptic number.

102550122 is an abundant number, since it is smaller than the sum of its proper divisors (119899638).

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

102550122 is a wasteful number, since it uses less digits than its factorization.

102550122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618 (or 6615 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 102550122 is about 10126.7034122660. The cubic root of 102550122 is about 468.0713511638.

The spelling of 102550122 in words is "one hundred two million, five hundred fifty thousand, one hundred twenty-two".