1205508064 has 12 divisors (see below), whose sum is σ = 2373344064. Its totient is φ = 602754016.

The previous prime is 1205508049. The next prime is 1205508107. The reversal of 1205508064 is 4608055021.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18836032 + ... + 18836095.

It is an arithmetic number, because the mean of its divisors is an integer number (197778672).

Almost surely, 2^1205508064 is an apocalyptic number.

It is an amenable number.

1205508064 is a deficient number, since it is larger than the sum of its proper divisors (1167836000).

1205508064 is an equidigital number, since it uses as much as digits as its factorization.

1205508064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37672137 (or 37672129 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1205508064 is about 34720.4271863121. The cubic root of 1205508064 is about 1064.2819743741.

The spelling of 1205508064 in words is "one billion, two hundred five million, five hundred eight thousand, sixty-four".