1300030189 has 2 divisors, whose sum is σ = 1300030190. Its totient is φ = 1300030188.

The previous prime is 1300030177. The next prime is 1300030243. The reversal of 1300030189 is 9810300031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013912964 + 286117225 = 31842^2 + 16915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300030189 - 2⁹ = 1300029677 is a prime.

It is a super-2 number, since 2×1300030189² = 3380156984622751442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300030129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650015094 + 650015095.

It is an arithmetic number, because the mean of its divisors is an integer number (650015095).

Almost surely, 2^1300030189 is an apocalyptic number.

It is an amenable number.

1300030189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300030189 is an equidigital number, since it uses as much as digits as its factorization.

1300030189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1300030189 is about 36055.9313983150. The cubic root of 1300030189 is about 1091.4013312162.

The spelling of 1300030189 in words is "one billion, three hundred million, thirty thousand, one hundred eighty-nine".