1282064741 has 16 divisors (see below), whose sum is σ = 1406827440. Its totient is φ = 1162936320.

The previous prime is 1282064723. The next prime is 1282064747. The reversal of 1282064741 is 1474602821.

It can be written as a sum of positive squares in 8 ways, for example, as 194714116 + 1087350625 = 13954^2 + 32975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282064741 - 2⁶ = 1282064677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282064747) 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, 313985 + ... + 318041.

It is an arithmetic number, because the mean of its divisors is an integer number (87926715).

Almost surely, 2^1282064741 is an apocalyptic number.

It is an amenable number.

1282064741 is a deficient number, since it is larger than the sum of its proper divisors (124762699).

1282064741 is a wasteful number, since it uses less digits than its factorization.

1282064741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1282064741 is about 35805.9316454690. The cubic root of 1282064741 is about 1086.3505423155.

The spelling of 1282064741 in words is "one billion, two hundred eighty-two million, sixty-four thousand, seven hundred forty-one".