1061026189 has 2 divisors, whose sum is σ = 1061026190. Its totient is φ = 1061026188.

The previous prime is 1061026123. The next prime is 1061026193. The reversal of 1061026189 is 9816201601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 643028164 + 417998025 = 25358^2 + 20445^2 .

It is an emirp because it is prime and its reverse (9816201601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061026189 - 2⁹ = 1061025677 is a prime.

It is a super-2 number, since 2×1061026189² = 2251553147487727442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061026289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530513094 + 530513095.

It is an arithmetic number, because the mean of its divisors is an integer number (530513095).

Almost surely, 2^1061026189 is an apocalyptic number.

It is an amenable number.

1061026189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061026189 is an equidigital number, since it uses as much as digits as its factorization.

1061026189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1061026189 is about 32573.3969521142. The cubic root of 1061026189 is about 1019.9417463207.

The spelling of 1061026189 in words is "one billion, sixty-one million, twenty-six thousand, one hundred eighty-nine".