1073228861 has 2 divisors, whose sum is σ = 1073228862. Its totient is φ = 1073228860.

The previous prime is 1073228731. The next prime is 1073228903. The reversal of 1073228861 is 1688223701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038063961 + 35164900 = 32219^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073228861 - 2¹⁸ = 1072966717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073228161) 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, 536614430 + 536614431.

It is an arithmetic number, because the mean of its divisors is an integer number (536614431).

Almost surely, 2^1073228861 is an apocalyptic number.

It is an amenable number.

1073228861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073228861 is an equidigital number, since it uses as much as digits as its factorization.

1073228861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1073228861 is about 32760.1718707335. The cubic root of 1073228861 is about 1023.8369074795.

It can be divided in two parts, 10732 and 28861, that added together give a palindrome (39593).

The spelling of 1073228861 in words is "one billion, seventy-three million, two hundred twenty-eight thousand, eight hundred sixty-one".