102970243 has 2 divisors, whose sum is σ = 102970244. Its totient is φ = 102970242.

The previous prime is 102970199. The next prime is 102970261. The reversal of 102970243 is 342079201.

It is a strong prime.

It is an emirp because it is prime and its reverse (342079201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102970243 - 2¹³ = 102962051 is a prime.

It is not a weakly prime, because it can be changed into another prime (102973243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51485121 + 51485122.

It is an arithmetic number, because the mean of its divisors is an integer number (51485122).

Almost surely, 2^102970243 is an apocalyptic number.

102970243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102970243 is an equidigital number, since it uses as much as digits as its factorization.

102970243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 102970243 is about 10147.4254370259. The cubic root of 102970243 is about 468.7096688737.

The spelling of 102970243 in words is "one hundred two million, nine hundred seventy thousand, two hundred forty-three".