1093765212 has 18 divisors (see below), whose sum is σ = 2764795488. Its totient is φ = 364588392.

The previous prime is 1093765201. The next prime is 1093765217. The reversal of 1093765212 is 2125673901.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 30382367 = 1093765212 / (1 + 0 + 9 + 3 + 7 + 6 + 5 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093765217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15191148 + ... + 15191219.

Almost surely, 2^1093765212 is an apocalyptic number.

1093765212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1093765212 is an abundant number, since it is smaller than the sum of its proper divisors (1671030276).

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

1093765212 is a wasteful number, since it uses less digits than its factorization.

1093765212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30382377 (or 30382372 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1093765212 is about 33072.1213713303. The cubic root of 1093765212 is about 1030.3261015389.

The spelling of 1093765212 in words is "one billion, ninety-three million, seven hundred sixty-five thousand, two hundred twelve".