1243024943532 has 24 divisors (see below), whose sum is σ = 2900409898176. Its totient is φ = 414339024528.

The previous prime is 1243024943521. The next prime is 1243024943533. The reversal of 1243024943532 is 2353494203421.

It is a super-2 number, since 2×1243024943532² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1243024943533) 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, 2986123 + ... + 3376829.

It is an arithmetic number, because the mean of its divisors is an integer number (120850412424).

Almost surely, 2^{1243024943532} is an apocalyptic number.

1243024943532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243024943532 is an abundant number, since it is smaller than the sum of its proper divisors (1657384954644).

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

1243024943532 is a wasteful number, since it uses less digits than its factorization.

1243024943532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655837 (or 655835 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 1243024943532 in words is "one trillion, two hundred forty-three billion, twenty-four million, nine hundred forty-three thousand, five hundred thirty-two".