1080453961 has 4 divisors (see below), whose sum is σ = 1098766800. Its totient is φ = 1062141124.

The previous prime is 1080453917. The next prime is 1080453971. The reversal of 1080453961 is 1693540801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080453961 - 2¹⁵ = 1080421193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080453961.

It is not an unprimeable number, because it can be changed into a prime (1080453901) 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 3 ways as a sum of consecutive naturals, for example, 9156331 + ... + 9156448.

It is an arithmetic number, because the mean of its divisors is an integer number (274691700).

Almost surely, 2^1080453961 is an apocalyptic number.

It is an amenable number.

1080453961 is a deficient number, since it is larger than the sum of its proper divisors (18312839).

1080453961 is an equidigital number, since it uses as much as digits as its factorization.

1080453961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18312838.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1080453961 is about 32870.2595213363. The cubic root of 1080453961 is about 1026.1293001640.

The spelling of 1080453961 in words is "one billion, eighty million, four hundred fifty-three thousand, nine hundred sixty-one".