1242356060544 has 64 divisors (see below), whose sum is σ = 3376752709440. Its totient is φ = 404488014336.

The previous prime is 1242356060453. The next prime is 1242356060549. The reversal of 1242356060544 is 4450606532421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1242356060496 and 1242356060505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242356060549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37603282 + ... + 37636305.

It is an arithmetic number, because the mean of its divisors is an integer number (52761761085).

Almost surely, 2^{1242356060544} is an apocalyptic number.

It is an amenable number.

1242356060544 is an abundant number, since it is smaller than the sum of its proper divisors (2134396648896).

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

1242356060544 is an equidigital number, since it uses as much as digits as its factorization.

1242356060544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75239647 (or 75239635 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1242356060544 in words is "one trillion, two hundred forty-two billion, three hundred fifty-six million, sixty thousand, five hundred forty-four".