1017958056 has 32 divisors (see below), whose sum is σ = 2545677600. Its totient is φ = 339215040.

The previous prime is 1017958031. The next prime is 1017958111. The reversal of 1017958056 is 6508597101.

It is a junction number, because it is equal to n+sod(n) for n = 1017957999 and 1017958017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145650 + ... + 152478.

It is an arithmetic number, because the mean of its divisors is an integer number (79552425).

Almost surely, 2^1017958056 is an apocalyptic number.

It is an amenable number.

1017958056 is an abundant number, since it is smaller than the sum of its proper divisors (1527719544).

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

1017958056 is a wasteful number, since it uses less digits than its factorization.

1017958056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 42.

The square root of 1017958056 is about 31905.4549567938. The cubic root of 1017958056 is about 1005.9505395121.

The spelling of 1017958056 in words is "one billion, seventeen million, nine hundred fifty-eight thousand, fifty-six".