1245225202 has 16 divisors (see below), whose sum is σ = 2012776920. Its totient is φ = 574359552.

The previous prime is 1245225199. The next prime is 1245225203. The reversal of 1245225202 is 2025225421.

It can be written as a sum of positive squares in 4 ways, for example, as 1078531281 + 166693921 = 32841^2 + 12911^2 .

It is not an unprimeable number, because it can be changed into a prime (1245225203) 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 in 7 ways as a sum of consecutive naturals, for example, 29874 + ... + 58162.

Almost surely, 2^1245225202 is an apocalyptic number.

1245225202 is a deficient number, since it is larger than the sum of its proper divisors (767551718).

1245225202 is a wasteful number, since it uses less digits than its factorization.

1245225202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29997.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1245225202 is about 35287.7486105305. The cubic root of 1245225202 is about 1075.8439961453.

The spelling of 1245225202 in words is "one billion, two hundred forty-five million, two hundred twenty-five thousand, two hundred two".