1200122133 has 8 divisors (see below), whose sum is σ = 1828757568. Its totient is φ = 685784064.

The previous prime is 1200122093. The next prime is 1200122153. The reversal of 1200122133 is 3312210021.

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

It is not a de Polignac number, because 1200122133 - 2¹² = 1200118037 is a prime.

It is a super-3 number, since 3×1200122133³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28574316 + ... + 28574357.

It is an arithmetic number, because the mean of its divisors is an integer number (228594696).

Almost surely, 2^1200122133 is an apocalyptic number.

It is an amenable number.

1200122133 is a deficient number, since it is larger than the sum of its proper divisors (628635435).

1200122133 is an equidigital number, since it uses as much as digits as its factorization.

1200122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57148683.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1200122133 is about 34642.7789445362. The cubic root of 1200122133 is about 1062.6946195371.

Adding to 1200122133 its reverse (3312210021), we get a palindrome (4512332154).

The spelling of 1200122133 in words is "one billion, two hundred million, one hundred twenty-two thousand, one hundred thirty-three".