1091380707 has 24 divisors (see below), whose sum is σ = 1611684048. Its totient is φ = 711460800.

The previous prime is 1091380679. The next prime is 1091380709. The reversal of 1091380707 is 7070831901.

It is not a de Polignac number, because 1091380707 - 2⁷ = 1091380579 is a prime.

It is a super-2 number, since 2×1091380707² = 2382223695223639698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1091380709) 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 23 ways as a sum of consecutive naturals, for example, 89232 + ... + 100722.

It is an arithmetic number, because the mean of its divisors is an integer number (67153502).

Almost surely, 2^1091380707 is an apocalyptic number.

1091380707 is a deficient number, since it is larger than the sum of its proper divisors (520303341).

1091380707 is a wasteful number, since it uses less digits than its factorization.

1091380707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11731 (or 11728 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 1091380707 is about 33036.0516254591. The cubic root of 1091380707 is about 1029.5768227359.

The spelling of 1091380707 in words is "one billion, ninety-one million, three hundred eighty thousand, seven hundred seven".