1091470132 has 12 divisors (see below), whose sum is σ = 1910899620. Its totient is φ = 545498816.

The previous prime is 1091470099. The next prime is 1091470139. The reversal of 1091470132 is 2310741901.

It can be written as a sum of positive squares in 2 ways, for example, as 740057616 + 351412516 = 27204^2 + 18746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1091470132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091470139) 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 3 ways as a sum of consecutive naturals, for example, 48457 + ... + 67312.

It is an arithmetic number, because the mean of its divisors is an integer number (159241635).

Almost surely, 2^1091470132 is an apocalyptic number.

It is an amenable number.

1091470132 is a deficient number, since it is larger than the sum of its proper divisors (819429488).

1091470132 is a wasteful number, since it uses less digits than its factorization.

1091470132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118130 (or 118128 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1091470132 is about 33037.4050433747. The cubic root of 1091470132 is about 1029.6049422828.

The spelling of 1091470132 in words is "one billion, ninety-one million, four hundred seventy thousand, one hundred thirty-two".