102045017 has 2 divisors, whose sum is σ = 102045018. Its totient is φ = 102045016.

The previous prime is 102044993. The next prime is 102045049. The reversal of 102045017 is 710540201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 43507216 = 7651^2 + 6596^2 .

It is a cyclic number.

It is not a de Polignac number, because 102045017 - 2¹⁸ = 101782873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102045017.

It is not a weakly prime, because it can be changed into another prime (102045217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51022508 + 51022509.

It is an arithmetic number, because the mean of its divisors is an integer number (51022509).

Almost surely, 2^102045017 is an apocalyptic number.

It is an amenable number.

102045017 is a deficient number, since it is larger than the sum of its proper divisors (1).

102045017 is an equidigital number, since it uses as much as digits as its factorization.

102045017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 102045017 is about 10101.7333661110. The cubic root of 102045017 is about 467.3015993998.

Adding to 102045017 its reverse (710540201), we get a palindrome (812585218).

The spelling of 102045017 in words is "one hundred two million, forty-five thousand, seventeen".