1030402169 has 2 divisors, whose sum is σ = 1030402170. Its totient is φ = 1030402168.

The previous prime is 1030402157. The next prime is 1030402171. The reversal of 1030402169 is 9612040301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 938625769 + 91776400 = 30637^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030402169 - 2²⁰ = 1029353593 is a prime.

It is a super-2 number, since 2×1030402169² = 2123457259759809122, which contains 22 as substring.

Together with 1030402171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1030402069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515201084 + 515201085.

It is an arithmetic number, because the mean of its divisors is an integer number (515201085).

Almost surely, 2^1030402169 is an apocalyptic number.

It is an amenable number.

1030402169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030402169 is an equidigital number, since it uses as much as digits as its factorization.

1030402169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1030402169 is about 32099.8780215751. The cubic root of 1030402169 is about 1010.0330574417.

The spelling of 1030402169 in words is "one billion, thirty million, four hundred two thousand, one hundred sixty-nine".