1201164147 has 10 divisors (see below), whose sum is σ = 1794331748. Its totient is φ = 800776044.

The previous prime is 1201164113. The next prime is 1201164149. The reversal of 1201164147 is 7414611021.

1201164147 is a `hidden beast` number, since 1 + 2 + 0 + 11 + 641 + 4 + 7 = 666.

It is not a de Polignac number, because 1201164147 - 2²⁶ = 1134055283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201164147.

It is not an unprimeable number, because it can be changed into a prime (1201164149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7414513 + ... + 7414674.

Almost surely, 2^1201164147 is an apocalyptic number.

1201164147 is a deficient number, since it is larger than the sum of its proper divisors (593167601).

1201164147 is an equidigital number, since it uses as much as digits as its factorization.

1201164147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829199 (or 14829190 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1201164147 is about 34657.8150927031. The cubic root of 1201164147 is about 1063.0020944486.

Adding to 1201164147 its reverse (7414611021), we get a palindrome (8615775168).

The spelling of 1201164147 in words is "one billion, two hundred one million, one hundred sixty-four thousand, one hundred forty-seven".