1121501160 has 384 divisors, whose sum is σ = 4236422400. Its totient is φ = 262310400.

The previous prime is 1121501149. The next prime is 1121501179. The reversal of 1121501160 is 611051211.

It is a happy number.

1121501160 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 501 + 160 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 7427085 + ... + 7427235.

It is an arithmetic number, because the mean of its divisors is an integer number (11032350).

Almost surely, 2^1121501160 is an apocalyptic number.

1121501160 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 1121501160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2118211200).

1121501160 is an abundant number, since it is smaller than the sum of its proper divisors (3114921240).

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

1121501160 is a wasteful number, since it uses less digits than its factorization.

1121501160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 1121501160 is about 33488.8214184972. The cubic root of 1121501160 is about 1038.9625873071.

Adding to 1121501160 its reverse (611051211), we get a palindrome (1732552371).

The spelling of 1121501160 in words is "one billion, one hundred twenty-one million, five hundred one thousand, one hundred sixty".