1230598 has 4 divisors (see below), whose sum is σ = 1845900. Its totient is φ = 615298.

The previous prime is 1230587. The next prime is 1230599. The reversal of 1230598 is 8950321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8950321 = 43 ⋅208147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307648 + ... + 307651.

It is an arithmetic number, because the mean of its divisors is an integer number (461475).

2^1230598 is an apocalyptic number.

1230598 is a deficient number, since it is larger than the sum of its proper divisors (615302).

1230598 is an equidigital number, since it uses as much as digits as its factorization.

1230598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615301.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1230598 is about 1109.3232171013. The cubic root of 1230598 is about 107.1614878924.

It can be divided in two parts, 12305 and 98, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 1230598 in words is "one million, two hundred thirty thousand, five hundred ninety-eight".