1200265066 has 48 divisors (see below), whose sum is σ = 2435674752. Its totient is φ = 431655840.

The previous prime is 1200265061. The next prime is 1200265067. The reversal of 1200265066 is 6605620021.

It is not an unprimeable number, because it can be changed into a prime (1200265061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5230 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (50743224).

Almost surely, 2^1200265066 is an apocalyptic number.

1200265066 is an abundant number, since it is smaller than the sum of its proper divisors (1235409686).

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

1200265066 is a wasteful number, since it uses less digits than its factorization.

1200265066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54547 (or 54536 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1200265066 is about 34644.8418382881. The cubic root of 1200265066 is about 1062.7368063824.

Adding to 1200265066 its reverse (6605620021), we get a palindrome (7805885087).

The spelling of 1200265066 in words is "one billion, two hundred million, two hundred sixty-five thousand, sixty-six".