1115221360 has 40 divisors (see below), whose sum is σ = 2828609136. Its totient is φ = 405534720.

The previous prime is 1115221339. The next prime is 1115221391. The reversal of 1115221360 is 631225111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632769 + ... + 634528.

Almost surely, 2^1115221360 is an apocalyptic number.

1115221360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115221360 is an abundant number, since it is smaller than the sum of its proper divisors (1713387776).

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

1115221360 is a wasteful number, since it uses less digits than its factorization.

1115221360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267321 (or 1267315 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1115221360 is about 33394.9301541417. The cubic root of 1115221360 is about 1037.0197469541.

Adding to 1115221360 its reverse (631225111), we get a palindrome (1746446471).

The spelling of 1115221360 in words is "one billion, one hundred fifteen million, two hundred twenty-one thousand, three hundred sixty".