1253330144 has 24 divisors (see below), whose sum is σ = 2691812088. Its totient is φ = 569695360.

The previous prime is 1253330087. The next prime is 1253330171. The reversal of 1253330144 is 4410333521.

It is a congruent number.

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, 1779947 + ... + 1780650.

It is an arithmetic number, because the mean of its divisors is an integer number (112158837).

Almost surely, 2^1253330144 is an apocalyptic number.

It is an amenable number.

1253330144 is an abundant number, since it is smaller than the sum of its proper divisors (1438481944).

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

1253330144 is a wasteful number, since it uses less digits than its factorization.

1253330144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560618 (or 3560610 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1253330144 is about 35402.4030822768. The cubic root of 1253330144 is about 1078.1731071318.

Adding to 1253330144 its reverse (4410333521), we get a palindrome (5663663665).

The spelling of 1253330144 in words is "one billion, two hundred fifty-three million, three hundred thirty thousand, one hundred forty-four".