1002155113124 has 48 divisors (see below), whose sum is σ = 2026201806720. Its totient is φ = 428633141760.

The previous prime is 1002155113121. The next prime is 1002155113151. The reversal of 1002155113124 is 4213115512001.

1002155113124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1002155113093 and 1002155113102.

It is not an unprimeable number, because it can be changed into a prime (1002155113121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3231974 + ... + 3528450.

It is an arithmetic number, because the mean of its divisors is an integer number (42212537640).

Almost surely, 2^{1002155113124} is an apocalyptic number.

It is an amenable number.

1002155113124 is an abundant number, since it is smaller than the sum of its proper divisors (1024046693596).

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

1002155113124 is a wasteful number, since it uses less digits than its factorization.

1002155113124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301028 (or 301026 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 1002155113124 in words is "one trillion, two billion, one hundred fifty-five million, one hundred thirteen thousand, one hundred twenty-four".