1073228161 has 2 divisors, whose sum is σ = 1073228162. Its totient is φ = 1073228160.

The previous prime is 1073228141. The next prime is 1073228183. The reversal of 1073228161 is 1618223701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1061456400 + 11771761 = 32580^2 + 3431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073228161 - 2¹⁵ = 1073195393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073228131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536614080 + 536614081.

It is an arithmetic number, because the mean of its divisors is an integer number (536614081).

Almost surely, 2^1073228161 is an apocalyptic number.

It is an amenable number.

1073228161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073228161 is an equidigital number, since it uses as much as digits as its factorization.

1073228161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1073228161 is about 32760.1611870271. The cubic root of 1073228161 is about 1023.8366848845.

The spelling of 1073228161 in words is "one billion, seventy-three million, two hundred twenty-eight thousand, one hundred sixty-one".