1232856841 has 2 divisors, whose sum is σ = 1232856842. Its totient is φ = 1232856840.

The previous prime is 1232856811. The next prime is 1232856893. The reversal of 1232856841 is 1486582321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825987600 + 406869241 = 28740^2 + 20171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232856841 - 2²³ = 1224468233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232856794 and 1232856803.

It is not a weakly prime, because it can be changed into another prime (1232856811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616428420 + 616428421.

It is an arithmetic number, because the mean of its divisors is an integer number (616428421).

Almost surely, 2^1232856841 is an apocalyptic number.

It is an amenable number.

1232856841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232856841 is an equidigital number, since it uses as much as digits as its factorization.

1232856841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 1232856841 is about 35112.0611898533. The cubic root of 1232856841 is about 1072.2701506090.

It can be divided in two parts, 12328 and 56841, that added together give a square (69169 = 263²).

The spelling of 1232856841 in words is "one billion, two hundred thirty-two million, eight hundred fifty-six thousand, eight hundred forty-one".