1201132011 has 8 divisors (see below), whose sum is σ = 1606099600. Its totient is φ = 798459552.

The previous prime is 1201132007. The next prime is 1201132033. The reversal of 1201132011 is 1102311021.

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

It is not a de Polignac number, because 1201132011 - 2² = 1201132007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201132001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 572560 + ... + 574653.

It is an arithmetic number, because the mean of its divisors is an integer number (200762450).

Almost surely, 2^1201132011 is an apocalyptic number.

1201132011 is a deficient number, since it is larger than the sum of its proper divisors (404967589).

1201132011 is a wasteful number, since it uses less digits than its factorization.

1201132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147565.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1201132011 is about 34657.3514712247. The cubic root of 1201132011 is about 1062.9926144953.

Adding to 1201132011 its reverse (1102311021), we get a palindrome (2303443032).

The spelling of 1201132011 in words is "one billion, two hundred one million, one hundred thirty-two thousand, eleven".