1598120 has 16 divisors (see below), whose sum is σ = 3595860. Its totient is φ = 639232.

The previous prime is 1598111. The next prime is 1598131. The reversal of 1598120 is 218951.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1592644 + 5476 = 1262^2 + 74^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1598120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19937 + ... + 20016.

2^1598120 is an apocalyptic number.

1598120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1598120 is an abundant number, since it is smaller than the sum of its proper divisors (1997740).

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

1598120 is a wasteful number, since it uses less digits than its factorization.

1598120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39964 (or 39960 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1598120 is about 1264.1677103929. The cubic root of 1598120 is about 116.9148819635.

The spelling of 1598120 in words is "one million, five hundred ninety-eight thousand, one hundred twenty".