618130 has 8 divisors (see below), whose sum is σ = 1112652. Its totient is φ = 247248.

The previous prime is 618119. The next prime is 618131. The reversal of 618130 is 31816.

618130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 5041 = 783^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 618098 and 618107.

It is not an unprimeable number, because it can be changed into a prime (618131) by changing a digit.

618130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30897 + ... + 30916.

2⁶¹⁸¹³⁰ is an apocalyptic number.

618130 is a deficient number, since it is larger than the sum of its proper divisors (494522).

618130 is a wasteful number, since it uses less digits than its factorization.

618130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61820.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 618130 is about 786.2124394844. The cubic root of 618130 is about 85.1843748669.

Adding to 618130 its reverse (31816), we get a palindrome (649946).

The spelling of 618130 in words is "six hundred eighteen thousand, one hundred thirty".