1020126875818 has 8 divisors (see below), whose sum is σ = 1530216997920. Its totient is φ = 510054543180.

The previous prime is 1020126875783. The next prime is 1020126875861. The reversal of 1020126875818 is 8185786210201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4303068 + ... + 4533943.

It is an arithmetic number, because the mean of its divisors is an integer number (191277124740).

Almost surely, 2^{1020126875818} is an apocalyptic number.

1020126875818 is a deficient number, since it is larger than the sum of its proper divisors (510090122102).

1020126875818 is an equidigital number, since it uses as much as digits as its factorization.

1020126875818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894732.

The product of its (nonzero) digits is 430080, while the sum is 49.

The spelling of 1020126875818 in words is "one trillion, twenty billion, one hundred twenty-six million, eight hundred seventy-five thousand, eight hundred eighteen".