1230849 has 8 divisors (see below), whose sum is σ = 1823520. Its totient is φ = 820548.

The previous prime is 1230829. The next prime is 1230863. The reversal of 1230849 is 9480321.

It is not a de Polignac number, because 1230849 - 2⁹ = 1230337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45587 = 1230849 / (1 + 2 + 3 + 0 + 8 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (1230829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22767 + ... + 22820.

It is an arithmetic number, because the mean of its divisors is an integer number (227940).

It is a Proth number, since it is equal to 601 ⋅ 2¹¹ + 1 and 601 < 2¹¹.

2^1230849 is an apocalyptic number.

It is an amenable number.

1230849 is a deficient number, since it is larger than the sum of its proper divisors (592671).

1230849 is an equidigital number, since it uses as much as digits as its factorization.

1230849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45596 (or 45590 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1230849 is about 1109.4363433744. The cubic root of 1230849 is about 107.1687731594.

The spelling of 1230849 in words is "one million, two hundred thirty thousand, eight hundred forty-nine".