1253224064 has 16 divisors (see below), whose sum is σ = 2496657570. Its totient is φ = 626611968.

The previous prime is 1253224057. The next prime is 1253224087. The reversal of 1253224064 is 4604223521.

It can be written as a sum of positive squares in only one way, i.e., 1247502400 + 5721664 = 35320^2 + 2392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 4895279 + ... + 4895534.

Almost surely, 2^1253224064 is an apocalyptic number.

It is an amenable number.

1253224064 is a deficient number, since it is larger than the sum of its proper divisors (1243433506).

1253224064 is an frugal number, since it uses more digits than its factorization.

1253224064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790827 (or 9790815 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1253224064 is about 35400.9048471928. The cubic root of 1253224064 is about 1078.1426879507.

Adding to 1253224064 its reverse (4604223521), we get a palindrome (5857447585).

The spelling of 1253224064 in words is "one billion, two hundred fifty-three million, two hundred twenty-four thousand, sixty-four".