1225364741 has 4 divisors (see below), whose sum is σ = 1230449484. Its totient is φ = 1220280000.

The previous prime is 1225364737. The next prime is 1225364759. The reversal of 1225364741 is 1474635221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 964413025 + 260951716 = 31055^2 + 16154^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225364741 - 2² = 1225364737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225364731) 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, 2542010 + ... + 2542491.

It is an arithmetic number, because the mean of its divisors is an integer number (307612371).

Almost surely, 2^1225364741 is an apocalyptic number.

It is an amenable number.

1225364741 is a deficient number, since it is larger than the sum of its proper divisors (5084743).

1225364741 is an equidigital number, since it uses as much as digits as its factorization.

1225364741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084742.

The product of its digits is 40320, while the sum is 35.

The square root of 1225364741 is about 35005.2101979120. The cubic root of 1225364741 is about 1070.0936654838.

Adding to 1225364741 its reverse (1474635221), we get a palindrome (2699999962).

The spelling of 1225364741 in words is "one billion, two hundred twenty-five million, three hundred sixty-four thousand, seven hundred forty-one".