1017125868 has 96 divisors (see below), whose sum is σ = 2670780672. Its totient is φ = 298598400.

The previous prime is 1017125831. The next prime is 1017125887. The reversal of 1017125868 is 8685217101.

1017125868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881580 + ... + 882732.

It is an arithmetic number, because the mean of its divisors is an integer number (27820632).

Almost surely, 2^1017125868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1017125868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335390336).

1017125868 is an abundant number, since it is smaller than the sum of its proper divisors (1653654804).

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

1017125868 is a wasteful number, since it uses less digits than its factorization.

1017125868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 1017125868 is about 31892.4108213851. The cubic root of 1017125868 is about 1005.6763408557.

It can be divided in two parts, 10 and 17125868, that added together give a triangular number (17125878 = T₅₈₅₂).

The spelling of 1017125868 in words is "one billion, seventeen million, one hundred twenty-five thousand, eight hundred sixty-eight".