1011285968 has 80 divisors (see below), whose sum is σ = 2521743360. Its totient is φ = 381283200.

The previous prime is 1011285949. The next prime is 1011285971. The reversal of 1011285968 is 8695821101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24953 + ... + 51431.

It is an arithmetic number, because the mean of its divisors is an integer number (31521792).

Almost surely, 2^1011285968 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 1011285968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260871680).

1011285968 is an abundant number, since it is smaller than the sum of its proper divisors (1510457392).

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

1011285968 is a wasteful number, since it uses less digits than its factorization.

1011285968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26536 (or 26530 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 1011285968 is about 31800.7227590821. The cubic root of 1011285968 is about 1003.7479248437.

The spelling of 1011285968 in words is "one billion, eleven million, two hundred eighty-five thousand, nine hundred sixty-eight".