102342089 has 2 divisors, whose sum is σ = 102342090. Its totient is φ = 102342088.

The previous prime is 102342013. The next prime is 102342103. The reversal of 102342089 is 980243201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 1138489 = 10060^2 + 1067^2 .

It is a cyclic number.

It is not a de Polignac number, because 102342089 - 2¹² = 102337993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102342589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51171044 + 51171045.

It is an arithmetic number, because the mean of its divisors is an integer number (51171045).

Almost surely, 2^102342089 is an apocalyptic number.

It is an amenable number.

102342089 is a deficient number, since it is larger than the sum of its proper divisors (1).

102342089 is an equidigital number, since it uses as much as digits as its factorization.

102342089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102342089 is about 10116.4266912779. The cubic root of 102342089 is about 467.7546273210.

The spelling of 102342089 in words is "one hundred two million, three hundred forty-two thousand, eighty-nine".