1061799912 has 24 divisors (see below), whose sum is σ = 2875708290. Its totient is φ = 353933280.

The previous prime is 1061799887. The next prime is 1061799913. The reversal of 1061799912 is 2199971601.

1061799912 is a `hidden beast` number, since 10 + 617 + 9 + 9 + 9 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1057160196 + 4639716 = 32514^2 + 2154^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1061799912² = 2254838106246415488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061799913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7373539 + ... + 7373682.

Almost surely, 2^1061799912 is an apocalyptic number.

1061799912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1061799912 is an abundant number, since it is smaller than the sum of its proper divisors (1813908378).

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

1061799912 is a wasteful number, since it uses less digits than its factorization.

1061799912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14747233 (or 14747226 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1061799912 is about 32585.2713967522. The cubic root of 1061799912 is about 1020.1896071971.

The spelling of 1061799912 in words is "one billion, sixty-one million, seven hundred ninety-nine thousand, nine hundred twelve".