102434251 has 2 divisors, whose sum is σ = 102434252. Its totient is φ = 102434250.

The previous prime is 102434209. The next prime is 102434273. The reversal of 102434251 is 152434201.

It is an a-pointer prime, because the next prime (102434273) can be obtained adding 102434251 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102434251 - 2¹¹ = 102432203 is a prime.

It is not a weakly prime, because it can be changed into another prime (102434281) 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 as a sum of consecutive naturals, namely, 51217125 + 51217126.

It is an arithmetic number, because the mean of its divisors is an integer number (51217126).

Almost surely, 2^102434251 is an apocalyptic number.

102434251 is a deficient number, since it is larger than the sum of its proper divisors (1).

102434251 is an equidigital number, since it uses as much as digits as its factorization.

102434251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102434251 is about 10120.9807331108. The cubic root of 102434251 is about 467.8949940346.

Multiplying 102434251 by its sum of digits (22), we get a palindrome (2253553522).

Adding to 102434251 its reverse (152434201), we get a palindrome (254868452).

The spelling of 102434251 in words is "one hundred two million, four hundred thirty-four thousand, two hundred fifty-one".