1230980 has 24 divisors (see below), whose sum is σ = 2630040. Its totient is φ = 483840.

The previous prime is 1230967. The next prime is 1230997. The reversal of 1230980 is 890321.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 1223236 = 88^2 + 1106^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 716 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (109585).

2^1230980 is an apocalyptic number.

1230980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230980 is an abundant number, since it is smaller than the sum of its proper divisors (1399060).

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

1230980 is a wasteful number, since it uses less digits than its factorization.

1230980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1230980 is about 1109.4953807925. The cubic root of 1230980 is about 107.1725750369.

The spelling of 1230980 in words is "one million, two hundred thirty thousand, nine hundred eighty".