1230872 has 16 divisors (see below), whose sum is σ = 2352240. Its totient is φ = 603616.

The previous prime is 1230871. The next prime is 1230881. The reversal of 1230872 is 2780321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230871) 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, 1028 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (147015).

2^1230872 is an apocalyptic number.

It is an amenable number.

1230872 is a deficient number, since it is larger than the sum of its proper divisors (1121368).

1230872 is a wasteful number, since it uses less digits than its factorization.

1230872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962 (or 2958 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1230872 is about 1109.4467089500. The cubic root of 1230872 is about 107.1694406842.

The spelling of 1230872 in words is "one million, two hundred thirty thousand, eight hundred seventy-two".