1152211590 has 96 divisors (see below), whose sum is σ = 3079308960. Its totient is φ = 298801152.

The previous prime is 1152211583. The next prime is 1152211607. The reversal of 1152211590 is 951122511.

1152211590 is a `hidden beast` number, since 1 + 1 + 52 + 21 + 1 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513952 + ... + 516188.

It is an arithmetic number, because the mean of its divisors is an integer number (32076135).

Almost surely, 2^1152211590 is an apocalyptic number.

1152211590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152211590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539654480).

1152211590 is an abundant number, since it is smaller than the sum of its proper divisors (1927097370).

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

1152211590 is a wasteful number, since it uses less digits than its factorization.

1152211590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1152211590 is about 33944.2423689202. The cubic root of 1152211590 is about 1048.3607346193.

The spelling of 1152211590 in words is "one billion, one hundred fifty-two million, two hundred eleven thousand, five hundred ninety".