1641124229 has 2 divisors, whose sum is σ = 1641124230. Its totient is φ = 1641124228.

The previous prime is 1641124217. The next prime is 1641124231. The reversal of 1641124229 is 9224211461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1626508900 + 14615329 = 40330^2 + 3823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641124229 - 2¹⁶ = 1641058693 is a prime.

Together with 1641124231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1641124195 and 1641124204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641124249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820562114 + 820562115.

It is an arithmetic number, because the mean of its divisors is an integer number (820562115).

Almost surely, 2^1641124229 is an apocalyptic number.

It is an amenable number.

1641124229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641124229 is an equidigital number, since it uses as much as digits as its factorization.

1641124229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 1641124229 is about 40510.7915128796. The cubic root of 1641124229 is about 1179.5431126435.

The spelling of 1641124229 in words is "one billion, six hundred forty-one million, one hundred twenty-four thousand, two hundred twenty-nine".