102030569 has 2 divisors, whose sum is σ = 102030570. Its totient is φ = 102030568.

The previous prime is 102030563. The next prime is 102030611. The reversal of 102030569 is 965030201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67043344 + 34987225 = 8188^2 + 5915^2 .

It is a cyclic number.

It is not a de Polignac number, because 102030569 - 2¹² = 102026473 is a prime.

It is a super-2 number, since 2×102030569² = 20820474020927522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102030563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015284 + 51015285.

It is an arithmetic number, because the mean of its divisors is an integer number (51015285).

Almost surely, 2^102030569 is an apocalyptic number.

It is an amenable number.

102030569 is a deficient number, since it is larger than the sum of its proper divisors (1).

102030569 is an equidigital number, since it uses as much as digits as its factorization.

102030569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 102030569 is about 10101.0182160018. The cubic root of 102030569 is about 467.2795441267.

The spelling of 102030569 in words is "one hundred two million, thirty thousand, five hundred sixty-nine".