1618120 has 32 divisors (see below), whose sum is σ = 4161600. Its totient is φ = 554688.

The previous prime is 1618093. The next prime is 1618129. The reversal of 1618120 is 218161.

It is not an unprimeable number, because it can be changed into a prime (1618129) 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, 2610 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (130050).

2^1618120 is an apocalyptic number.

1618120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1618120 is an abundant number, since it is smaller than the sum of its proper divisors (2543480).

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

1618120 is a wasteful number, since it uses less digits than its factorization.

1618120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797 (or 5793 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1618120 is about 1272.0534579962. The cubic root of 1618120 is about 117.4005798520.

It can be divided in two parts, 161 and 8120, that added together give a square (8281 = 91²).

The spelling of 1618120 in words is "one million, six hundred eighteen thousand, one hundred twenty".