1201226601 has 8 divisors (see below), whose sum is σ = 1601951200. Its totient is φ = 800659872.

The previous prime is 1201226581. The next prime is 1201226617. The reversal of 1201226601 is 1066221021.

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

It is not a de Polignac number, because 1201226601 - 2¹¹ = 1201224553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201226641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20395 + ... + 53088.

It is an arithmetic number, because the mean of its divisors is an integer number (200243900).

Almost surely, 2^1201226601 is an apocalyptic number.

It is an amenable number.

1201226601 is a deficient number, since it is larger than the sum of its proper divisors (400724599).

1201226601 is an equidigital number, since it uses as much as digits as its factorization.

1201226601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78935.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1201226601 is about 34658.7160898958. The cubic root of 1201226601 is about 1063.0205175710.

Adding to 1201226601 its reverse (1066221021), we get a palindrome (2267447622).

The spelling of 1201226601 in words is "one billion, two hundred one million, two hundred twenty-six thousand, six hundred one".