1230959 has 4 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 1217040.

The previous prime is 1230949. The next prime is 1230967. The reversal of 1230959 is 9590321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9590321 = 13 ⋅737717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6827 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

2^1230959 is an apocalyptic number.

1230959 is a deficient number, since it is larger than the sum of its proper divisors (13921).

1230959 is an equidigital number, since it uses as much as digits as its factorization.

1230959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1230959 is about 1109.4859169904. The cubic root of 1230959 is about 107.1719655938.

The spelling of 1230959 in words is "one million, two hundred thirty thousand, nine hundred fifty-nine".