1010999960 has 64 divisors (see below), whose sum is σ = 2398334400. Its totient is φ = 382795776.

The previous prime is 1010999947. The next prime is 1010999971. The reversal of 1010999960 is 699990101.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 83576 + ... + 94904.

It is an arithmetic number, because the mean of its divisors is an integer number (37473975).

Almost surely, 2^1010999960 is an apocalyptic number.

1010999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010999960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199167200).

1010999960 is an abundant number, since it is smaller than the sum of its proper divisors (1387334440).

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

1010999960 is a wasteful number, since it uses less digits than its factorization.

1010999960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460 (or 11456 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 44.

The square root of 1010999960 is about 31796.2255621638. The cubic root of 1010999960 is about 1003.6532905486.

The spelling of 1010999960 in words is "one billion, ten million, nine hundred ninety-nine thousand, nine hundred sixty".