1201066648 has 8 divisors (see below), whose sum is σ = 2251999980. Its totient is φ = 600533320.

The previous prime is 1201066621. The next prime is 1201066667. The reversal of 1201066648 is 8466601021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1201066648² = 2885122185875911808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75066658 + ... + 75066673.

Almost surely, 2^1201066648 is an apocalyptic number.

It is an amenable number.

1201066648 is a deficient number, since it is larger than the sum of its proper divisors (1050933332).

1201066648 is a wasteful number, since it uses less digits than its factorization.

1201066648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150133337 (or 150133333 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1201066648 is about 34656.4084694303. The cubic root of 1201066648 is about 1062.9733322277.

Adding to 1201066648 its reverse (8466601021), we get a palindrome (9667667669).

The spelling of 1201066648 in words is "one billion, two hundred one million, sixty-six thousand, six hundred forty-eight".