1085404963 has 4 divisors (see below), whose sum is σ = 1142531560. Its totient is φ = 1028278368.

The previous prime is 1085404961. The next prime is 1085404973. The reversal of 1085404963 is 3694045801.

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

It is a cyclic number.

It is not a de Polignac number, because 1085404963 - 2¹ = 1085404961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085404961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28563270 + ... + 28563307.

It is an arithmetic number, because the mean of its divisors is an integer number (285632890).

Almost surely, 2^1085404963 is an apocalyptic number.

1085404963 is a deficient number, since it is larger than the sum of its proper divisors (57126597).

1085404963 is an equidigital number, since it uses as much as digits as its factorization.

1085404963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57126596.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1085404963 is about 32945.4847133867. The cubic root of 1085404963 is about 1027.6942682583.

The spelling of 1085404963 in words is "one billion, eighty-five million, four hundred four thousand, nine hundred sixty-three".