1280434701 has 32 divisors (see below), whose sum is σ = 2117828608. Its totient is φ = 670057920.

The previous prime is 1280434637. The next prime is 1280434703. The reversal of 1280434701 is 1074340821.

It is not a de Polignac number, because 1280434701 - 2⁶ = 1280434637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280434703) 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 31 ways as a sum of consecutive naturals, for example, 16206 + ... + 53136.

It is an arithmetic number, because the mean of its divisors is an integer number (66182144).

Almost surely, 2^1280434701 is an apocalyptic number.

It is an amenable number.

1280434701 is a deficient number, since it is larger than the sum of its proper divisors (837393907).

1280434701 is a wasteful number, since it uses less digits than its factorization.

1280434701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1280434701 is about 35783.1622554519. The cubic root of 1280434701 is about 1085.8899452319.

The spelling of 1280434701 in words is "one billion, two hundred eighty million, four hundred thirty-four thousand, seven hundred one".