1149081570 has 192 divisors, whose sum is σ = 3702875904. Its totient is φ = 240744960.

The previous prime is 1149081569. The next prime is 1149081589. The reversal of 1149081570 is 751809411.

1149081570 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 0 + 81 + 570 = 666.

It is a Curzon 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 in 95 ways as a sum of consecutive naturals, for example, 1416465 + ... + 1417275.

It is an arithmetic number, because the mean of its divisors is an integer number (19285812).

Almost surely, 2^1149081570 is an apocalyptic number.

1149081570 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 1149081570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851437952).

1149081570 is an abundant number, since it is smaller than the sum of its proper divisors (2553794334).

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

1149081570 is a wasteful number, since it uses less digits than its factorization.

1149081570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1149081570 is about 33898.1056992865. The cubic root of 1149081570 is about 1047.4105717842.

The spelling of 1149081570 in words is "one billion, one hundred forty-nine million, eighty-one thousand, five hundred seventy".