1205320088 has 16 divisors (see below), whose sum is σ = 2582828880. Its totient is φ = 516565728.

The previous prime is 1205320079. The next prime is 1205320133. The reversal of 1205320088 is 8800235021.

It is a self number, because there is not a number n which added to its sum of digits gives 1205320088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761731 + ... + 10761842.

It is an arithmetic number, because the mean of its divisors is an integer number (161426805).

Almost surely, 2^1205320088 is an apocalyptic number.

It is an amenable number.

1205320088 is an abundant number, since it is smaller than the sum of its proper divisors (1377508792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205320088 is a wasteful number, since it uses less digits than its factorization.

1205320088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523586 (or 21523582 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1205320088 is about 34717.7200864342. The cubic root of 1205320088 is about 1064.2266533373.

The spelling of 1205320088 in words is "one billion, two hundred five million, three hundred twenty thousand, eighty-eight".