102940227 has 40 divisors (see below), whose sum is σ = 171365040. Its totient is φ = 61145280.

The previous prime is 102940223. The next prime is 102940241. The reversal of 102940227 is 722049201.

It is not a de Polignac number, because 102940227 - 2² = 102940223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 102940227.

It is not an unprimeable number, because it can be changed into a prime (102940223) 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 39 ways as a sum of consecutive naturals, for example, 28852 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (4284126).

Almost surely, 2^102940227 is an apocalyptic number.

102940227 is a deficient number, since it is larger than the sum of its proper divisors (68424813).

102940227 is a wasteful number, since it uses less digits than its factorization.

102940227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 102940227 is about 10145.9463333885. The cubic root of 102940227 is about 468.6641212273.

Adding to 102940227 its reverse (722049201), we get a palindrome (824989428).

The spelling of 102940227 in words is "one hundred two million, nine hundred forty thousand, two hundred twenty-seven".