1225124044 has 12 divisors (see below), whose sum is σ = 2184419664. Its totient is φ = 601004144.

The previous prime is 1225124029. The next prime is 1225124059. The reversal of 1225124044 is 4404215221.

It is an interprime number because it is at equal distance from previous prime (1225124029) and next prime (1225124059).

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 3 ways as a sum of consecutive naturals, for example, 2889232 + ... + 2889655.

It is an arithmetic number, because the mean of its divisors is an integer number (182034972).

Almost surely, 2^1225124044 is an apocalyptic number.

It is an amenable number.

1225124044 is a deficient number, since it is larger than the sum of its proper divisors (959295620).

1225124044 is a wasteful number, since it uses less digits than its factorization.

1225124044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778944 (or 5778942 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1225124044 is about 35001.7720122853. The cubic root of 1225124044 is about 1070.0235951358.

Adding to 1225124044 its reverse (4404215221), we get a palindrome (5629339265).

The spelling of 1225124044 in words is "one billion, two hundred twenty-five million, one hundred twenty-four thousand, forty-four".