1242533420514 has 24 divisors (see below), whose sum is σ = 2715980136012. Its totient is φ = 410512515840.

The previous prime is 1242533420437. The next prime is 1242533420539. The reversal of 1242533420514 is 4150243352421.

It is a happy number.

1242533420514 is a `hidden beast` number, since 1 + 2 + 42 + 53 + 34 + 20 + 514 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1027253196225 + 215280224289 = 1013535^2 + 463983^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 305438827 + ... + 305442894.

Almost surely, 2^{1242533420514} is an apocalyptic number.

1242533420514 is an abundant number, since it is smaller than the sum of its proper divisors (1473446715498).

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

1242533420514 is a wasteful number, since it uses less digits than its factorization.

1242533420514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610881842 (or 610881839 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1242533420514 its reverse (4150243352421), we get a palindrome (5392776772935).

The spelling of 1242533420514 in words is "one trillion, two hundred forty-two billion, five hundred thirty-three million, four hundred twenty thousand, five hundred fourteen".