1056161233 has 2 divisors, whose sum is σ = 1056161234. Its totient is φ = 1056161232.

The previous prime is 1056161203. The next prime is 1056161243. The reversal of 1056161233 is 3321616501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621355329 + 434805904 = 24927^2 + 20852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056161233 - 2¹⁷ = 1056030161 is a prime.

It is a super-2 number, since 2×1056161233² = 2230953100184160578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056161203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528080616 + 528080617.

It is an arithmetic number, because the mean of its divisors is an integer number (528080617).

Almost surely, 2^1056161233 is an apocalyptic number.

It is an amenable number.

1056161233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056161233 is an equidigital number, since it uses as much as digits as its factorization.

1056161233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1056161233 is about 32498.6343251528. The cubic root of 1056161233 is about 1018.3804983737.

Adding to 1056161233 its reverse (3321616501), we get a palindrome (4377777734).

The spelling of 1056161233 in words is "one billion, fifty-six million, one hundred sixty-one thousand, two hundred thirty-three".