1245225874 has 16 divisors (see below), whose sum is σ = 1886210712. Its totient is φ = 616499968.

The previous prime is 1245225841. The next prime is 1245225889. The reversal of 1245225874 is 4785225421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1198890625 + 46335249 = 34625^2 + 6807^2 .

It is an unprimeable number.

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, 308292 + ... + 312304.

Almost surely, 2^1245225874 is an apocalyptic number.

1245225874 is a deficient number, since it is larger than the sum of its proper divisors (640984838).

1245225874 is a wasteful number, since it uses less digits than its factorization.

1245225874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its digits is 179200, while the sum is 40.

The square root of 1245225874 is about 35287.7581322475. The cubic root of 1245225874 is about 1075.8441896757.

The spelling of 1245225874 in words is "one billion, two hundred forty-five million, two hundred twenty-five thousand, eight hundred seventy-four".