102450239 has 2 divisors, whose sum is σ = 102450240. Its totient is φ = 102450238.

The previous prime is 102450233. The next prime is 102450241. The reversal of 102450239 is 932054201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102450239 - 2⁸ = 102449983 is a prime.

Together with 102450241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102450233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51225119 + 51225120.

It is an arithmetic number, because the mean of its divisors is an integer number (51225120).

Almost surely, 2^102450239 is an apocalyptic number.

102450239 is a deficient number, since it is larger than the sum of its proper divisors (1).

102450239 is an equidigital number, since it uses as much as digits as its factorization.

102450239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102450239 is about 10121.7705466978. The cubic root of 102450239 is about 467.9193358797.

The spelling of 102450239 in words is "one hundred two million, four hundred fifty thousand, two hundred thirty-nine".