1280425701 has 16 divisors (see below), whose sum is σ = 1721683584. Its totient is φ = 846407424.

The previous prime is 1280425697. The next prime is 1280425717. The reversal of 1280425701 is 1075240821.

It is not a de Polignac number, because 1280425701 - 2² = 1280425697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280425001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593641 + ... + 595793.

It is an arithmetic number, because the mean of its divisors is an integer number (107605224).

Almost surely, 2^1280425701 is an apocalyptic number.

It is an amenable number.

1280425701 is a deficient number, since it is larger than the sum of its proper divisors (441257883).

1280425701 is a wasteful number, since it uses less digits than its factorization.

1280425701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1280425701 is about 35783.0364977597. The cubic root of 1280425701 is about 1085.8874010354.

The spelling of 1280425701 in words is "one billion, two hundred eighty million, four hundred twenty-five thousand, seven hundred one".