1591230 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 389760.

The previous prime is 1591229. The next prime is 1591237. The reversal of 1591230 is 321951.

It is a junction number, because it is equal to n+sod(n) for n = 1591197 and 1591206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26941 + ... + 26999.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1591230 is an apocalyptic number.

1591230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1591230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073600).

1591230 is an abundant number, since it is smaller than the sum of its proper divisors (2555970).

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

1591230 is a wasteful number, since it uses less digits than its factorization.

1591230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1591230 is about 1261.4396537290. The cubic root of 1591230 is about 116.7466209300.

The spelling of 1591230 in words is "one million, five hundred ninety-one thousand, two hundred thirty".