1201153613 has 8 divisors (see below), whose sum is σ = 1311623040. Its totient is φ = 1090896480.

The previous prime is 1201153601. The next prime is 1201153631. The reversal of 1201153613 is 3163511021.

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 1201153613 - 2⁶ = 1201153549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201153693) 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, 41120 + ... + 63977.

It is an arithmetic number, because the mean of its divisors is an integer number (163952880).

Almost surely, 2^1201153613 is an apocalyptic number.

It is an amenable number.

1201153613 is a deficient number, since it is larger than the sum of its proper divisors (110469427).

1201153613 is a wasteful number, since it uses less digits than its factorization.

1201153613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106147.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1201153613 is about 34657.6631208741. The cubic root of 1201153613 is about 1062.9989869919.

Adding to 1201153613 its reverse (3163511021), we get a palindrome (4364664634).

The spelling of 1201153613 in words is "one billion, two hundred one million, one hundred fifty-three thousand, six hundred thirteen".