1242674625786 has 32 divisors (see below), whose sum is σ = 2774343356928. Its totient is φ = 367810670640.

The previous prime is 1242674625779. The next prime is 1242674625791. The reversal of 1242674625786 is 6875264762421.

It is a super-3 number, since 3×1242674625786³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218932086 + ... + 218937761.

It is an arithmetic number, because the mean of its divisors is an integer number (86698229904).

Almost surely, 2^{1242674625786} is an apocalyptic number.

1242674625786 is an abundant number, since it is smaller than the sum of its proper divisors (1531668731142).

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

1242674625786 is a wasteful number, since it uses less digits than its factorization.

1242674625786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437869906.

The product of its digits is 54190080, while the sum is 60.

The spelling of 1242674625786 in words is "one trillion, two hundred forty-two billion, six hundred seventy-four million, six hundred twenty-five thousand, seven hundred eighty-six".