1205885088 has 144 divisors (see below), whose sum is σ = 3531711456. Its totient is φ = 390136320.

The previous prime is 1205885059. The next prime is 1205885111. The reversal of 1205885088 is 8805885021.

1205885088 is a `hidden beast` number, since 12 + 0 + 588 + 50 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457731 + ... + 1458557.

It is an arithmetic number, because the mean of its divisors is an integer number (24525774).

Almost surely, 2^1205885088 is an apocalyptic number.

1205885088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1205885088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765855728).

1205885088 is an abundant number, since it is smaller than the sum of its proper divisors (2325826368).

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

1205885088 is a wasteful number, since it uses less digits than its factorization.

1205885088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 45.

The square root of 1205885088 is about 34725.8561881489. The cubic root of 1205885088 is about 1064.3929146033.

The spelling of 1205885088 in words is "one billion, two hundred five million, eight hundred eighty-five thousand, eighty-eight".