1121571360 has 576 divisors, whose sum is σ = 4900476672. Its totient is φ = 235892736.

The previous prime is 1121571331. The next prime is 1121571371. The reversal of 1121571360 is 631751211.

1121571360 is a `hidden beast` number, since 11 + 21 + 571 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3537922 + ... + 3538238.

It is an arithmetic number, because the mean of its divisors is an integer number (8507772).

Almost surely, 2^1121571360 is an apocalyptic number.

1121571360 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 1121571360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2450238336).

1121571360 is an abundant number, since it is smaller than the sum of its proper divisors (3778905312).

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

1121571360 is a wasteful number, since it uses less digits than its factorization.

1121571360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1121571360 is about 33489.8695130333. The cubic root of 1121571360 is about 1038.9842646965.

The spelling of 1121571360 in words is "one billion, one hundred twenty-one million, five hundred seventy-one thousand, three hundred sixty".