1207023280 has 20 divisors (see below), whose sum is σ = 2806329312. Its totient is φ = 482809280.

The previous prime is 1207023277. The next prime is 1207023289. The reversal of 1207023280 is 823207021.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1207023289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7543816 + ... + 7543975.

Almost surely, 2^1207023280 is an apocalyptic number.

1207023280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207023280 is an abundant number, since it is smaller than the sum of its proper divisors (1599306032).

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

1207023280 is a wasteful number, since it uses less digits than its factorization.

1207023280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15087804 (or 15087798 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1207023280 is about 34742.2405725365. The cubic root of 1207023280 is about 1064.7276901563.

The spelling of 1207023280 in words is "one billion, two hundred seven million, twenty-three thousand, two hundred eighty".