1598121 has 12 divisors (see below), whose sum is σ = 2638272. Its totient is φ = 913176.

The previous prime is 1598111. The next prime is 1598131. The reversal of 1598121 is 1218951.

It is an interprime number because it is at equal distance from previous prime (1598111) and next prime (1598131).

It is not a de Polignac number, because 1598121 - 2⁵ = 1598089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1598111) 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, 12621 + ... + 12746.

It is an arithmetic number, because the mean of its divisors is an integer number (219856).

2^1598121 is an apocalyptic number.

It is an amenable number.

1598121 is a deficient number, since it is larger than the sum of its proper divisors (1040151).

1598121 is a wasteful number, since it uses less digits than its factorization.

1598121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25380 (or 25377 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1598121 is about 1264.1681059100. The cubic root of 1598121 is about 116.9149063494.

The spelling of 1598121 in words is "one million, five hundred ninety-eight thousand, one hundred twenty-one".