102039697 has 2 divisors, whose sum is σ = 102039698. Its totient is φ = 102039696.

The previous prime is 102039689. The next prime is 102039701. The reversal of 102039697 is 796930201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101425041 + 614656 = 10071^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 102039697 - 2³ = 102039689 is a prime.

It is not a weakly prime, because it can be changed into another prime (102039617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51019848 + 51019849.

It is an arithmetic number, because the mean of its divisors is an integer number (51019849).

Almost surely, 2^102039697 is an apocalyptic number.

It is an amenable number.

102039697 is a deficient number, since it is larger than the sum of its proper divisors (1).

102039697 is an equidigital number, since it uses as much as digits as its factorization.

102039697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 102039697 is about 10101.4700415336. The cubic root of 102039697 is about 467.2934785143.

Adding to 102039697 its reverse (796930201), we get a palindrome (898969898).

It can be divided in two parts, 10203 and 9697, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 102039697 in words is "one hundred two million, thirty-nine thousand, six hundred ninety-seven".