1201130033 has 4 divisors (see below), whose sum is σ = 1242548340. Its totient is φ = 1159711728.

The previous prime is 1201130023. The next prime is 1201130039. The reversal of 1201130033 is 3300311021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3300311021 = 7 ⋅471473003.

It can be written as a sum of positive squares in 2 ways, for example, as 1002545569 + 198584464 = 31663^2 + 14092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201130033 - 2⁴ = 1201130017 is a prime.

It is a super-3 number, since 3×1201130033³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201130039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20709110 + ... + 20709167.

It is an arithmetic number, because the mean of its divisors is an integer number (310637085).

Almost surely, 2^1201130033 is an apocalyptic number.

It is an amenable number.

1201130033 is a deficient number, since it is larger than the sum of its proper divisors (41418307).

1201130033 is an equidigital number, since it uses as much as digits as its factorization.

1201130033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41418306.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1201130033 is about 34657.3229346988. The cubic root of 1201130033 is about 1062.9920309901.

Adding to 1201130033 its reverse (3300311021), we get a palindrome (4501441054).

The spelling of 1201130033 in words is "one billion, two hundred one million, one hundred thirty thousand, thirty-three".