1248135923108 has 12 divisors (see below), whose sum is σ = 2237511960012. Its totient is φ = 608846791680.

The previous prime is 1248135923093. The next prime is 1248135923119. The reversal of 1248135923108 is 8013295318421.

It can be written as a sum of positive squares in 2 ways, for example, as 599212231744 + 648923691364 = 774088^2 + 805558^2 .

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, 3805292285 + ... + 3805292612.

It is an arithmetic number, because the mean of its divisors is an integer number (186459330001).

Almost surely, 2^{1248135923108} is an apocalyptic number.

It is an amenable number.

1248135923108 is a deficient number, since it is larger than the sum of its proper divisors (989376036904).

1248135923108 is a wasteful number, since it uses less digits than its factorization.

1248135923108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610584942 (or 7610584940 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1248135923108 in words is "one trillion, two hundred forty-eight billion, one hundred thirty-five million, nine hundred twenty-three thousand, one hundred eight".