1030120218 has 24 divisors (see below), whose sum is σ = 2232517248. Its totient is φ = 343282632.

The previous prime is 1030120213. The next prime is 1030120229. The reversal of 1030120218 is 8120210301.

It is a super-2 number, since 2×1030120218² = 2122295327064735048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030120218.

It is not an unprimeable number, because it can be changed into a prime (1030120211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132055 + ... + 139637.

It is an arithmetic number, because the mean of its divisors is an integer number (93021552).

Almost surely, 2^1030120218 is an apocalyptic number.

1030120218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1030120218 is an abundant number, since it is smaller than the sum of its proper divisors (1202397030).

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

1030120218 is a wasteful number, since it uses less digits than its factorization.

1030120218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15138 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1030120218 is about 32095.4859442882. The cubic root of 1030120218 is about 1009.9409232511.

Adding to 1030120218 its reverse (8120210301), we get a palindrome (9150330519).

The spelling of 1030120218 in words is "one billion, thirty million, one hundred twenty thousand, two hundred eighteen".