1223000980 has 12 divisors (see below), whose sum is σ = 2568302100. Its totient is φ = 489200384.

The previous prime is 1223000941. The next prime is 1223000981. The reversal of 1223000980 is 890003221.

It can be written as a sum of positive squares in 2 ways, for example, as 136375684 + 1086625296 = 11678^2 + 32964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223000981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30575005 + ... + 30575044.

It is an arithmetic number, because the mean of its divisors is an integer number (214025175).

Almost surely, 2^1223000980 is an apocalyptic number.

1223000980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223000980 is an abundant number, since it is smaller than the sum of its proper divisors (1345301120).

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

1223000980 is a wasteful number, since it uses less digits than its factorization.

1223000980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61150058 (or 61150056 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1223000980 is about 34971.4309115312. The cubic root of 1223000980 is about 1069.4051429051.

The spelling of 1223000980 in words is "one billion, two hundred twenty-three million, nine hundred eighty", and thus it is an aban number.