102940229 has 6 divisors (see below), whose sum is σ = 119746854. Its totient is φ = 88234440.

The previous prime is 102940223. The next prime is 102940241. The reversal of 102940229 is 922049201.

It can be written as a sum of positive squares in only one way, i.e., 98109025 + 4831204 = 9905^2 + 2198^2 .

It is not a de Polignac number, because 102940229 - 2²⁰ = 101891653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1050362 + ... + 1050459.

It is an arithmetic number, because the mean of its divisors is an integer number (19957809).

Almost surely, 2^102940229 is an apocalyptic number.

It is an amenable number.

102940229 is a deficient number, since it is larger than the sum of its proper divisors (16806625).

102940229 is an equidigital number, since it uses as much as digits as its factorization.

102940229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100835 (or 2100828 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 102940229 is about 10145.9464319501. The cubic root of 102940229 is about 468.6641242625.

The spelling of 102940229 in words is "one hundred two million, nine hundred forty thousand, two hundred twenty-nine".