1103880961 has 4 divisors (see below), whose sum is σ = 1119002692. Its totient is φ = 1088759232.

The previous prime is 1103880959. The next prime is 1103881003. The reversal of 1103880961 is 1690883011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 668532736 + 435348225 = 25856^2 + 20865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103880961 - 2¹ = 1103880959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103880961.

It is not an unprimeable number, because it can be changed into a prime (1103880901) 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, 7560756 + ... + 7560901.

It is an arithmetic number, because the mean of its divisors is an integer number (279750673).

Almost surely, 2^1103880961 is an apocalyptic number.

It is an amenable number.

1103880961 is a deficient number, since it is larger than the sum of its proper divisors (15121731).

1103880961 is an equidigital number, since it uses as much as digits as its factorization.

1103880961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121730.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1103880961 is about 33224.7040769365. The cubic root of 1103880961 is about 1033.4927022897.

It can be divided in two parts, 1103880 and 961, that added together give a triangular number (1104841 = T₁₄₈₆).

The spelling of 1103880961 in words is "one billion, one hundred three million, eight hundred eighty thousand, nine hundred sixty-one".