1254531130320 has 160 divisors (see below), whose sum is σ = 4198156550784. Its totient is φ = 308073830400.

The previous prime is 1254531130301. The next prime is 1254531130403. The reversal of 1254531130320 is 230311354521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 835975 + ... + 1791065.

Almost surely, 2^{1254531130320} is an apocalyptic number.

1254531130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254531130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2099078275392).

1254531130320 is an abundant number, since it is smaller than the sum of its proper divisors (2943625420464).

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

1254531130320 is a wasteful number, since it uses less digits than its factorization.

1254531130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955541 (or 955535 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1254531130320 its reverse (230311354521), we get a palindrome (1484842484841).

The spelling of 1254531130320 in words is "one trillion, two hundred fifty-four billion, five hundred thirty-one million, one hundred thirty thousand, three hundred twenty".