1245520455130 has 32 divisors (see below), whose sum is σ = 2565625351680. Its totient is φ = 426466944000.

The previous prime is 1245520455121. The next prime is 1245520455161. The reversal of 1245520455130 is 315540255421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245520455130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11793735 + ... + 11898874.

It is an arithmetic number, because the mean of its divisors is an integer number (80175792240).

Almost surely, 2^{1245520455130} is an apocalyptic number.

1245520455130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245520455130 is an abundant number, since it is smaller than the sum of its proper divisors (1320104896550).

1245520455130 is a wasteful number, since it uses less digits than its factorization.

1245520455130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23693374.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1245520455130 in words is "one trillion, two hundred forty-five billion, five hundred twenty million, four hundred fifty-five thousand, one hundred thirty".