102297739 has 2 divisors, whose sum is σ = 102297740. Its totient is φ = 102297738.

The previous prime is 102297733. The next prime is 102297821. The reversal of 102297739 is 937792201.

It is a weak prime.

It is an emirp because it is prime and its reverse (937792201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102297739 - 2⁵ = 102297707 is a prime.

It is not a weakly prime, because it can be changed into another prime (102297733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51148869 + 51148870.

It is an arithmetic number, because the mean of its divisors is an integer number (51148870).

Almost surely, 2^102297739 is an apocalyptic number.

102297739 is a deficient number, since it is larger than the sum of its proper divisors (1).

102297739 is an equidigital number, since it uses as much as digits as its factorization.

102297739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 102297739 is about 10114.2344742447. The cubic root of 102297739 is about 467.6870503178.

The spelling of 102297739 in words is "one hundred two million, two hundred ninety-seven thousand, seven hundred thirty-nine".