1201333005 has 64 divisors (see below), whose sum is σ = 2206310400. Its totient is φ = 619799040.

The previous prime is 1201332991. The next prime is 1201333031. The reversal of 1201333005 is 5003331021.

1201333005 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1201333005 - 2⁷ = 1201332877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 702091 + ... + 703799.

It is an arithmetic number, because the mean of its divisors is an integer number (34473600).

Almost surely, 2^1201333005 is an apocalyptic number.

1201333005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201333005 is a deficient number, since it is larger than the sum of its proper divisors (1004977395).

1201333005 is a wasteful number, since it uses less digits than its factorization.

1201333005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1201333005 is about 34660.2510810294. The cubic root of 1201333005 is about 1063.0519039043.

Adding to 1201333005 its reverse (5003331021), we get a palindrome (6204664026).

The spelling of 1201333005 in words is "one billion, two hundred one million, three hundred thirty-three thousand, five".