1206743120 has 80 divisors (see below), whose sum is σ = 3066178752. Its totient is φ = 438036480.

The previous prime is 1206743117. The next prime is 1206743129. The reversal of 1206743120 is 213476021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1206743120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206743129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776264 + ... + 777816.

Almost surely, 2^1206743120 is an apocalyptic number.

1206743120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206743120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533089376).

1206743120 is an abundant number, since it is smaller than the sum of its proper divisors (1859435632).

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

1206743120 is a wasteful number, since it uses less digits than its factorization.

1206743120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1206743120 is about 34738.2083590965. The cubic root of 1206743120 is about 1064.6453064397.

The spelling of 1206743120 in words is "one billion, two hundred six million, seven hundred forty-three thousand, one hundred twenty".