1240054225 has 12 divisors (see below), whose sum is σ = 1575172620. Its totient is φ = 967846400.

The previous prime is 1240054217. The next prime is 1240054241. The reversal of 1240054225 is 5224500421.

It can be written as a sum of positive squares in 6 ways, for example, as 13373649 + 1226680576 = 3657^2 + 35024^2 .

It is not a de Polignac number, because 1240054225 - 2³ = 1240054217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1240054225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603880 + ... + 605929.

It is an arithmetic number, because the mean of its divisors is an integer number (131264385).

Almost surely, 2^1240054225 is an apocalyptic number.

It is an amenable number.

1240054225 is a deficient number, since it is larger than the sum of its proper divisors (335118395).

1240054225 is a wasteful number, since it uses less digits than its factorization.

1240054225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209860 (or 1209855 counting only the distinct ones).

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

The square root of 1240054225 is about 35214.4036581624. The cubic root of 1240054225 is about 1074.3527309563.

Adding to 1240054225 its reverse (5224500421), we get a palindrome (6464554646).

The spelling of 1240054225 in words is "one billion, two hundred forty million, fifty-four thousand, two hundred twenty-five".