1180221027 has 8 divisors (see below), whose sum is σ = 1576386240. Its totient is φ = 785434920.

The previous prime is 1180221023. The next prime is 1180221037. The reversal of 1180221027 is 7201220811.

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

It is not a de Polignac number, because 1180221027 - 2² = 1180221023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1180220988 and 1180221006.

It is not an unprimeable number, because it can be changed into a prime (1180221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342777 + ... + 346202.

It is an arithmetic number, because the mean of its divisors is an integer number (197048280).

Almost surely, 2^1180221027 is an apocalyptic number.

1180221027 is a deficient number, since it is larger than the sum of its proper divisors (396165213).

1180221027 is an equidigital number, since it uses as much as digits as its factorization.

1180221027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689553.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1180221027 is about 34354.3450963630. The cubic root of 1180221027 is about 1056.7877796850.

Adding to 1180221027 its reverse (7201220811), we get a palindrome (8381441838).

The spelling of 1180221027 in words is "one billion, one hundred eighty million, two hundred twenty-one thousand, twenty-seven".