1201232113 has 8 divisors (see below), whose sum is σ = 1282740480. Its totient is φ = 1122396240.

The previous prime is 1201232111. The next prime is 1201232129. The reversal of 1201232113 is 3112321021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201232113 - 2¹ = 1201232111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201232111) 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, 667195 + ... + 668992.

It is an arithmetic number, because the mean of its divisors is an integer number (160342560).

Almost surely, 2^1201232113 is an apocalyptic number.

It is an amenable number.

1201232113 is a deficient number, since it is larger than the sum of its proper divisors (81508367).

1201232113 is a wasteful number, since it uses less digits than its factorization.

1201232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336247.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1201232113 is about 34658.7956080415. The cubic root of 1201232113 is about 1063.0221435090.

Adding to 1201232113 its reverse (3112321021), we get a palindrome (4313553134).

The spelling of 1201232113 in words is "one billion, two hundred one million, two hundred thirty-two thousand, one hundred thirteen".