1079909812 has 12 divisors (see below), whose sum is σ = 1906567236. Its totient is φ = 535176320.

The previous prime is 1079909773. The next prime is 1079909813. The reversal of 1079909812 is 2189099701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76667536 + 1003242276 = 8756^2 + 31674^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1079909813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194139 + ... + 1195042.

It is an arithmetic number, because the mean of its divisors is an integer number (158880603).

Almost surely, 2^1079909812 is an apocalyptic number.

It is an amenable number.

1079909812 is a deficient number, since it is larger than the sum of its proper divisors (826657424).

1079909812 is a wasteful number, since it uses less digits than its factorization.

1079909812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389298 (or 2389296 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 1079909812 is about 32861.9812549396. The cubic root of 1079909812 is about 1025.9570080794.

The spelling of 1079909812 in words is "one billion, seventy-nine million, nine hundred nine thousand, eight hundred twelve".