1120115221 has 8 divisors (see below), whose sum is σ = 1126174104. Its totient is φ = 1114068480.

The previous prime is 1120115201. The next prime is 1120115231. The reversal of 1120115221 is 1225110211.

It can be written as a sum of positive squares in 4 ways, for example, as 144240100 + 975875121 = 12010^2 + 31239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120115221 - 2¹³ = 1120107029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120115195 and 1120115204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120115201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227235 + ... + 232111.

It is an arithmetic number, because the mean of its divisors is an integer number (140771763).

Almost surely, 2^1120115221 is an apocalyptic number.

It is an amenable number.

1120115221 is a deficient number, since it is larger than the sum of its proper divisors (6058883).

1120115221 is an equidigital number, since it uses as much as digits as its factorization.

1120115221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1120115221 is about 33468.1224600365. The cubic root of 1120115221 is about 1038.5344313135.

Adding to 1120115221 its reverse (1225110211), we get a palindrome (2345225432).

The spelling of 1120115221 in words is "one billion, one hundred twenty million, one hundred fifteen thousand, two hundred twenty-one".