1280772033 has 8 divisors (see below), whose sum is σ = 1726884000. Its totient is φ = 844254048.

The previous prime is 1280771971. The next prime is 1280772041. The reversal of 1280772033 is 3302770821.

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

It is not a de Polignac number, because 1280772033 - 2⁸ = 1280771777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1280771985 and 1280772003.

It is not an unprimeable number, because it can be changed into a prime (1280772133) 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, 2398183 + ... + 2398716.

It is an arithmetic number, because the mean of its divisors is an integer number (215860500).

Almost surely, 2^1280772033 is an apocalyptic number.

It is an amenable number.

1280772033 is a deficient number, since it is larger than the sum of its proper divisors (446111967).

1280772033 is an equidigital number, since it uses as much as digits as its factorization.

1280772033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796991.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1280772033 is about 35787.8755027453. The cubic root of 1280772033 is about 1085.9852965121.

The spelling of 1280772033 in words is "one billion, two hundred eighty million, seven hundred seventy-two thousand, thirty-three".