1150218 has 12 divisors (see below), whose sum is σ = 2492178. Its totient is φ = 383400.

The previous prime is 1150217. The next prime is 1150229. The reversal of 1150218 is 8120511.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 439569 = 843^2 + 663^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 63901 = 1150218 / (1 + 1 + 5 + 0 + 2 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1150218.

It is not an unprimeable number, because it can be changed into a prime (1150211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31933 + ... + 31968.

2^1150218 is an apocalyptic number.

1150218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1150218 is an abundant number, since it is smaller than the sum of its proper divisors (1341960).

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

1150218 is a wasteful number, since it uses less digits than its factorization.

1150218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63909 (or 63906 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1150218 is about 1072.4821676839. The cubic root of 1150218 is about 104.7755750822.

Adding to 1150218 its reverse (8120511), we get a palindrome (9270729).

The spelling of 1150218 in words is "one million, one hundred fifty thousand, two hundred eighteen".