1091374330 has 64 divisors (see below), whose sum is σ = 2128913280. Its totient is φ = 401311744.

The previous prime is 1091374327. The next prime is 1091374331. The reversal of 1091374330 is 334731901.

It is a junction number, because it is equal to n+sod(n) for n = 1091374292 and 1091374301.

It is not an unprimeable number, because it can be changed into a prime (1091374331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2336757 + ... + 2337223.

It is an arithmetic number, because the mean of its divisors is an integer number (33264270).

Almost surely, 2^1091374330 is an apocalyptic number.

1091374330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091374330 is a deficient number, since it is larger than the sum of its proper divisors (1037538950).

1091374330 is a wasteful number, since it uses less digits than its factorization.

1091374330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 1091374330 is about 33035.9551095469. The cubic root of 1091374330 is about 1029.5748174399.

The spelling of 1091374330 in words is "one billion, ninety-one million, three hundred seventy-four thousand, three hundred thirty".