1200780708 has 12 divisors (see below), whose sum is σ = 2801821680. Its totient is φ = 400260232.

The previous prime is 1200780689. The next prime is 1200780709. The reversal of 1200780708 is 8070870021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1200780708³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1200780709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50032518 + ... + 50032541.

It is an arithmetic number, because the mean of its divisors is an integer number (233485140).

Almost surely, 2^1200780708 is an apocalyptic number.

It is an amenable number.

1200780708 is an abundant number, since it is smaller than the sum of its proper divisors (1601040972).

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

1200780708 is a wasteful number, since it uses less digits than its factorization.

1200780708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100065066 (or 100065064 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1200780708 is about 34652.2828685211. The cubic root of 1200780708 is about 1062.8889709037. Note that the first 3 decimals are identical.

The spelling of 1200780708 in words is "one billion, two hundred million, seven hundred eighty thousand, seven hundred eight".