1200538213 has 8 divisors (see below), whose sum is σ = 1375666880. Its totient is φ = 1026315360.

The previous prime is 1200538211. The next prime is 1200538231. The reversal of 1200538213 is 3128350021.

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

It is not a de Polignac number, because 1200538213 - 2¹ = 1200538211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200538211) 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, 223608 + ... + 228913.

It is an arithmetic number, because the mean of its divisors is an integer number (171958360).

Almost surely, 2^1200538213 is an apocalyptic number.

It is an amenable number.

1200538213 is a deficient number, since it is larger than the sum of its proper divisors (175128667).

1200538213 is an equidigital number, since it uses as much as digits as its factorization.

1200538213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452907.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1200538213 is about 34648.7837160267. The cubic root of 1200538213 is about 1062.8174167302.

Adding to 1200538213 its reverse (3128350021), we get a palindrome (4328888234).

The spelling of 1200538213 in words is "one billion, two hundred million, five hundred thirty-eight thousand, two hundred thirteen".