1245223041 has 16 divisors (see below), whose sum is σ = 1684769088. Its totient is φ = 817992000.

The previous prime is 1245223039. The next prime is 1245223051. The reversal of 1245223041 is 1403225421.

It is not a de Polignac number, because 1245223041 - 2¹ = 1245223039 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1245223051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54195 + ... + 73671.

It is an arithmetic number, because the mean of its divisors is an integer number (105298068).

Almost surely, 2^1245223041 is an apocalyptic number.

It is an amenable number.

1245223041 is a deficient number, since it is larger than the sum of its proper divisors (439546047).

1245223041 is a wasteful number, since it uses less digits than its factorization.

1245223041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19792.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1245223041 is about 35287.7179908251. The cubic root of 1245223041 is about 1075.8433737946.

Adding to 1245223041 its reverse (1403225421), we get a palindrome (2648448462).

The spelling of 1245223041 in words is "one billion, two hundred forty-five million, two hundred twenty-three thousand, forty-one".