1225002048 has 112 divisors (see below), whose sum is σ = 3612611520. Its totient is φ = 364068864.

The previous prime is 1225002047. The next prime is 1225002083. The reversal of 1225002048 is 8402005221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1225002041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52140 + ... + 71892.

It is an arithmetic number, because the mean of its divisors is an integer number (32255460).

Almost surely, 2^1225002048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225002048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806305760).

1225002048 is an abundant number, since it is smaller than the sum of its proper divisors (2387609472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225002048 is a wasteful number, since it uses less digits than its factorization.

1225002048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19804 (or 19794 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1225002048 is about 35000.0292571306. The cubic root of 1225002048 is about 1069.9880768462.

Adding to 1225002048 its reverse (8402005221), we get a palindrome (9627007269).

The spelling of 1225002048 in words is "one billion, two hundred twenty-five million, two thousand, forty-eight".