1230860 has 12 divisors (see below), whose sum is σ = 2584848. Its totient is φ = 492336.

The previous prime is 1230829. The next prime is 1230863. The reversal of 1230860 is 680321.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 61543 = 1230860 / (1 + 2 + 3 + 0 + 8 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (1230863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30752 + ... + 30791.

It is an arithmetic number, because the mean of its divisors is an integer number (215404).

2^1230860 is an apocalyptic number.

1230860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230860 is an abundant number, since it is smaller than the sum of its proper divisors (1353988).

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

1230860 is a wasteful number, since it uses less digits than its factorization.

1230860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61552 (or 61550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1230860 is about 1109.4413008357. The cubic root of 1230860 is about 107.1690924114.

The spelling of 1230860 in words is "one million, two hundred thirty thousand, eight hundred sixty".