1200072033 has 12 divisors (see below), whose sum is σ = 1757852928. Its totient is φ = 788779320.

The previous prime is 1200071959. The next prime is 1200072059. The reversal of 1200072033 is 3302700021.

It is not a de Polignac number, because 1200072033 - 2¹⁷ = 1199940961 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1200071997 and 1200072015.

It is not an unprimeable number, because it can be changed into a prime (1200072073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938385 + ... + 939662.

It is an arithmetic number, because the mean of its divisors is an integer number (146487744).

Almost surely, 2^1200072033 is an apocalyptic number.

It is an amenable number.

1200072033 is a deficient number, since it is larger than the sum of its proper divisors (557780895).

1200072033 is a wasteful number, since it uses less digits than its factorization.

1200072033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878124 (or 1878121 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1200072033 is about 34642.0558425738. The cubic root of 1200072033 is about 1062.6798316696.

Adding to 1200072033 its reverse (3302700021), we get a palindrome (4502772054).

The spelling of 1200072033 in words is "one billion, two hundred million, seventy-two thousand, thirty-three".