1085404973 has 2 divisors, whose sum is σ = 1085404974. Its totient is φ = 1085404972.

The previous prime is 1085404961. The next prime is 1085404979. The reversal of 1085404973 is 3794045801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1047299044 + 38105929 = 32362^2 + 6173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085404973 - 2⁸ = 1085404717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1085404973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085404979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542702486 + 542702487.

It is an arithmetic number, because the mean of its divisors is an integer number (542702487).

Almost surely, 2^1085404973 is an apocalyptic number.

It is an amenable number.

1085404973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085404973 is an equidigital number, since it uses as much as digits as its factorization.

1085404973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1085404973 is about 32945.4848651526. The cubic root of 1085404973 is about 1027.6942714144.

The spelling of 1085404973 in words is "one billion, eighty-five million, four hundred four thousand, nine hundred seventy-three".