1080949973 has 8 divisors (see below), whose sum is σ = 1119019800. Its totient is φ = 1042933248.

The previous prime is 1080949939. The next prime is 1080949979. The reversal of 1080949973 is 3799490801.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 1080634129 = 562^2 + 32873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1080949973 - 2²⁶ = 1013841109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080949979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30665 + ... + 55697.

It is an arithmetic number, because the mean of its divisors is an integer number (139877475).

Almost surely, 2^1080949973 is an apocalyptic number.

It is an amenable number.

1080949973 is a deficient number, since it is larger than the sum of its proper divisors (38069827).

1080949973 is a wasteful number, since it uses less digits than its factorization.

1080949973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26551.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1080949973 is about 32877.8036523123. The cubic root of 1080949973 is about 1026.2863003999.

The spelling of 1080949973 in words is "one billion, eighty million, nine hundred forty-nine thousand, nine hundred seventy-three".