1201266634 has 8 divisors (see below), whose sum is σ = 1814863680. Its totient is φ = 596312076.

The previous prime is 1201266607. The next prime is 1201266713. The reversal of 1201266634 is 4366621021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201266596 and 1201266605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160274 + ... + 2160829.

It is an arithmetic number, because the mean of its divisors is an integer number (226857960).

Almost surely, 2^1201266634 is an apocalyptic number.

1201266634 is a deficient number, since it is larger than the sum of its proper divisors (613597046).

1201266634 is a wasteful number, since it uses less digits than its factorization.

1201266634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321244.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1201266634 is about 34659.2936165756. The cubic root of 1201266634 is about 1063.0323264525.

Adding to 1201266634 its reverse (4366621021), we get a palindrome (5567887655).

The spelling of 1201266634 in words is "one billion, two hundred one million, two hundred sixty-six thousand, six hundred thirty-four".