1072233161 has 2 divisors, whose sum is σ = 1072233162. Its totient is φ = 1072233160.

The previous prime is 1072233143. The next prime is 1072233191. The reversal of 1072233161 is 1613322701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903363136 + 168870025 = 30056^2 + 12995^2 .

It is an emirp because it is prime and its reverse (1613322701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072233161 - 2¹⁴ = 1072216777 is a prime.

It is a super-2 number, since 2×1072233161² = 2299367903096103842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072233161.

It is not a weakly prime, because it can be changed into another prime (1072233191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536116580 + 536116581.

It is an arithmetic number, because the mean of its divisors is an integer number (536116581).

Almost surely, 2^1072233161 is an apocalyptic number.

It is an amenable number.

1072233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072233161 is an equidigital number, since it uses as much as digits as its factorization.

1072233161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1072233161 is about 32744.9715376270. The cubic root of 1072233161 is about 1023.5201841560.

Adding to 1072233161 its reverse (1613322701), we get a palindrome (2685555862).

The spelling of 1072233161 in words is "one billion, seventy-two million, two hundred thirty-three thousand, one hundred sixty-one".