1280767201 has 16 divisors (see below), whose sum is σ = 1512603648. Its totient is φ = 1061226000.

The previous prime is 1280767183. The next prime is 1280767217. The reversal of 1280767201 is 1027670821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1280767201 - 2⁷ = 1280767073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280767231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236676 + ... + 242026.

It is an arithmetic number, because the mean of its divisors is an integer number (94537728).

Almost surely, 2^1280767201 is an apocalyptic number.

It is an amenable number.

1280767201 is a deficient number, since it is larger than the sum of its proper divisors (231836447).

1280767201 is a wasteful number, since it uses less digits than its factorization.

1280767201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1280767201 is about 35787.8079937847. The cubic root of 1280767201 is about 1085.9839308026.

It can be divided in two parts, 12807 and 67201, that added together give a palindrome (80008).

The spelling of 1280767201 in words is "one billion, two hundred eighty million, seven hundred sixty-seven thousand, two hundred one".