102469739 has 2 divisors, whose sum is σ = 102469740. Its totient is φ = 102469738.

The previous prime is 102469721. The next prime is 102469769. The reversal of 102469739 is 937964201.

It is a weak prime.

It is an emirp because it is prime and its reverse (937964201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102469739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102469696 and 102469705.

It is not a weakly prime, because it can be changed into another prime (102469709) 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, 51234869 + 51234870.

It is an arithmetic number, because the mean of its divisors is an integer number (51234870).

Almost surely, 2^102469739 is an apocalyptic number.

102469739 is a deficient number, since it is larger than the sum of its proper divisors (1).

102469739 is an equidigital number, since it uses as much as digits as its factorization.

102469739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 102469739 is about 10122.7337710719. The cubic root of 102469739 is about 467.9490213422.

The spelling of 102469739 in words is "one hundred two million, four hundred sixty-nine thousand, seven hundred thirty-nine".