1201332305 has 16 divisors (see below), whose sum is σ = 1494374400. Its totient is φ = 926143680.

The previous prime is 1201332299. The next prime is 1201332329. The reversal of 1201332305 is 5032331021.

It is not a de Polignac number, because 1201332305 - 2³⁰ = 127590481 is a prime.

It is a super-2 number, since 2×1201332305² = 2886398614073226050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20831 + ... + 53259.

It is an arithmetic number, because the mean of its divisors is an integer number (93398400).

Almost surely, 2^1201332305 is an apocalyptic number.

It is an amenable number.

1201332305 is a deficient number, since it is larger than the sum of its proper divisors (293042095).

1201332305 is a wasteful number, since it uses less digits than its factorization.

1201332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32704.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1201332305 is about 34660.2409830053. The cubic root of 1201332305 is about 1063.0516974291.

Adding to 1201332305 its reverse (5032331021), we get a palindrome (6233663326).

The spelling of 1201332305 in words is "one billion, two hundred one million, three hundred thirty-two thousand, three hundred five".