102434221 has 8 divisors (see below), whose sum is σ = 103688000. Its totient is φ = 101185632.

The previous prime is 102434209. The next prime is 102434251. The reversal of 102434221 is 122434201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102434221 - 2¹³ = 102426029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102434251) 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, 50401 + ... + 52393.

It is an arithmetic number, because the mean of its divisors is an integer number (12961000).

Almost surely, 2^102434221 is an apocalyptic number.

It is an amenable number.

102434221 is a deficient number, since it is larger than the sum of its proper divisors (1253779).

102434221 is a wasteful number, since it uses less digits than its factorization.

102434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102434221 is about 10120.9792510409. The cubic root of 102434221 is about 467.8949483570.

Adding to 102434221 its reverse (122434201), we get a palindrome (224868422).

It can be divided in two parts, 1024 and 34221, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 102434221 in words is "one hundred two million, four hundred thirty-four thousand, two hundred twenty-one".