1225070241 has 4 divisors (see below), whose sum is σ = 1633426992. Its totient is φ = 816713492.

The previous prime is 1225070233. The next prime is 1225070243. The reversal of 1225070241 is 1420705221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1225070241 - 2³ = 1225070233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225070243) 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 3 ways as a sum of consecutive naturals, for example, 204178371 + ... + 204178376.

It is an arithmetic number, because the mean of its divisors is an integer number (408356748).

Almost surely, 2^1225070241 is an apocalyptic number.

It is an amenable number.

1225070241 is a deficient number, since it is larger than the sum of its proper divisors (408356751).

1225070241 is an equidigital number, since it uses as much as digits as its factorization.

1225070241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408356750.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1225070241 is about 35001.0034284733. The cubic root of 1225070241 is about 1070.0079310560.

Adding to 1225070241 its reverse (1420705221), we get a palindrome (2645775462).

The spelling of 1225070241 in words is "one billion, two hundred twenty-five million, seventy thousand, two hundred forty-one".