1245352534420 has 24 divisors (see below), whose sum is σ = 2654273762784. Its totient is φ = 490706072736.

The previous prime is 1245352534417. The next prime is 1245352534499. The reversal of 1245352534420 is 244352535421.

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 7 ways as a sum of consecutive naturals, for example, 464682442 + ... + 464685121.

It is an arithmetic number, because the mean of its divisors is an integer number (110594740116).

Almost surely, 2^{1245352534420} is an apocalyptic number.

1245352534420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245352534420 is an abundant number, since it is smaller than the sum of its proper divisors (1408921228364).

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

1245352534420 is a wasteful number, since it uses less digits than its factorization.

1245352534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929367639 (or 929367637 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 1245352534420 in words is "one trillion, two hundred forty-five billion, three hundred fifty-two million, five hundred thirty-four thousand, four hundred twenty".