1200228241 has 2 divisors, whose sum is σ = 1200228242. Its totient is φ = 1200228240.

The previous prime is 1200228229. The next prime is 1200228269. The reversal of 1200228241 is 1428220021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618019600 + 582208641 = 24860^2 + 24129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200228241 - 2²⁷ = 1066010513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200228541) 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, 600114120 + 600114121.

It is an arithmetic number, because the mean of its divisors is an integer number (600114121).

Almost surely, 2^1200228241 is an apocalyptic number.

It is an amenable number.

1200228241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200228241 is an equidigital number, since it uses as much as digits as its factorization.

1200228241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1200228241 is about 34644.3103698140. The cubic root of 1200228241 is about 1062.7259377601.

Adding to 1200228241 its reverse (1428220021), we get a palindrome (2628448262).

It can be divided in two parts, 1200 and 228241, that added together give a square (229441 = 479²).

The spelling of 1200228241 in words is "one billion, two hundred million, two hundred twenty-eight thousand, two hundred forty-one".