1253003521120 has 48 divisors (see below), whose sum is σ = 3187930117680. Its totient is φ = 462647453184.

The previous prime is 1253003521093. The next prime is 1253003521127. The reversal of 1253003521120 is 211253003521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253003521127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301200690 + ... + 301204849.

It is an arithmetic number, because the mean of its divisors is an integer number (66415210785).

Almost surely, 2^{1253003521120} is an apocalyptic number.

1253003521120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253003521120 is an abundant number, since it is smaller than the sum of its proper divisors (1934926596560).

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

1253003521120 is a wasteful number, since it uses less digits than its factorization.

1253003521120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602405567 (or 602405559 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 1253003521120 its reverse (211253003521), we get a palindrome (1464256524641).

The spelling of 1253003521120 in words is "one trillion, two hundred fifty-three billion, three million, five hundred twenty-one thousand, one hundred twenty".