1159421760 has 504 divisors, whose sum is σ = 4865827200. Its totient is φ = 248168448.

The previous prime is 1159421749. The next prime is 1159421797. The reversal of 1159421760 is 671249511.

1159421760 is a `hidden beast` number, since 1 + 1 + 594 + 2 + 1 + 7 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×1159421760² = 2688517635122995200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5826141 + ... + 5826339.

Almost surely, 2^1159421760 is an apocalyptic number.

1159421760 is a gapful number since it is divisible by the number (10) 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 1159421760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432913600).

1159421760 is an abundant number, since it is smaller than the sum of its proper divisors (3706405440).

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

1159421760 is a wasteful number, since it uses less digits than its factorization.

1159421760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1159421760 is about 34050.2828182087. The cubic root of 1159421760 is about 1050.5429572825.

The spelling of 1159421760 in words is "one billion, one hundred fifty-nine million, four hundred twenty-one thousand, seven hundred sixty".