102201148 has 24 divisors (see below), whose sum is σ = 204674400. Its totient is φ = 43742208.

The previous prime is 102201109. The next prime is 102201149. The reversal of 102201148 is 841102201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24048 + ... + 27976.

It is an arithmetic number, because the mean of its divisors is an integer number (8528100).

Almost surely, 2^102201148 is an apocalyptic number.

It is an amenable number.

102201148 is an abundant number, since it is smaller than the sum of its proper divisors (102473252).

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

102201148 is a wasteful number, since it uses less digits than its factorization.

102201148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 102201148 is about 10109.4583435513. The cubic root of 102201148 is about 467.5398050125.

Adding to 102201148 its reverse (841102201), we get a palindrome (943303349).

The spelling of 102201148 in words is "one hundred two million, two hundred one thousand, one hundred forty-eight".