1081180701 has 24 divisors (see below), whose sum is σ = 1614532920. Its totient is φ = 696729600.

The previous prime is 1081180571. The next prime is 1081180703. The reversal of 1081180701 is 1070811801.

It can be written as a sum of positive squares in 4 ways, for example, as 132848676 + 948332025 = 11526^2 + 30795^2 .

It is not a de Polignac number, because 1081180701 - 2¹¹ = 1081178653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081180703) 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 23 ways as a sum of consecutive naturals, for example, 26781 + ... + 53661.

It is an arithmetic number, because the mean of its divisors is an integer number (67272205).

Almost surely, 2^1081180701 is an apocalyptic number.

It is an amenable number.

1081180701 is a deficient number, since it is larger than the sum of its proper divisors (533352219).

1081180701 is a wasteful number, since it uses less digits than its factorization.

1081180701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037 (or 27034 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The square root of 1081180701 is about 32881.3123369491. The cubic root of 1081180701 is about 1026.3593152312.

The spelling of 1081180701 in words is "one billion, eighty-one million, one hundred eighty thousand, seven hundred one".