1200965380 has 12 divisors (see below), whose sum is σ = 2522027340. Its totient is φ = 480386144.

The previous prime is 1200965299. The next prime is 1200965383. The reversal of 1200965380 is 835690021.

It can be written as a sum of positive squares in 2 ways, for example, as 675272196 + 525693184 = 25986^2 + 22928^2 .

It is not an unprimeable number, because it can be changed into a prime (1200965383) 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, 30024115 + ... + 30024154.

It is an arithmetic number, because the mean of its divisors is an integer number (210168945).

Almost surely, 2^1200965380 is an apocalyptic number.

1200965380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200965380 is an abundant number, since it is smaller than the sum of its proper divisors (1321061960).

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

1200965380 is a wasteful number, since it uses less digits than its factorization.

1200965380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60048278 (or 60048276 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1200965380 is about 34654.9474101462. The cubic root of 1200965380 is about 1062.9434565032.

The spelling of 1200965380 in words is "one billion, two hundred million, nine hundred sixty-five thousand, three hundred eighty".