1233121041 has 6 divisors (see below), whose sum is σ = 1781174850. Its totient is φ = 822080688.

The previous prime is 1233121031. The next prime is 1233121049. The reversal of 1233121041 is 1401213321.

It can be written as a sum of positive squares in only one way, i.e., 1019844225 + 213276816 = 31935^2 + 14604^2 .

It is not a de Polignac number, because 1233121041 - 2⁵ = 1233121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1233121049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68506716 + ... + 68506733.

It is an arithmetic number, because the mean of its divisors is an integer number (296862475).

Almost surely, 2^1233121041 is an apocalyptic number.

It is an amenable number.

1233121041 is a deficient number, since it is larger than the sum of its proper divisors (548053809).

1233121041 is a wasteful number, since it uses less digits than its factorization.

1233121041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137013455 (or 137013452 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1233121041 is about 35115.8232282827. The cubic root of 1233121041 is about 1072.3467406153.

Adding to 1233121041 its reverse (1401213321), we get a palindrome (2634334362).

The spelling of 1233121041 in words is "one billion, two hundred thirty-three million, one hundred twenty-one thousand, forty-one".