1282500505 has 32 divisors (see below), whose sum is σ = 1812585600. Its totient is φ = 858823680.

The previous prime is 1282500503. The next prime is 1282500509. The reversal of 1282500505 is 5050052821.

It is not a de Polignac number, because 1282500505 - 2¹ = 1282500503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1282500503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314721 + ... + 318769.

It is an arithmetic number, because the mean of its divisors is an integer number (56643300).

Almost surely, 2^1282500505 is an apocalyptic number.

It is an amenable number.

1282500505 is a deficient number, since it is larger than the sum of its proper divisors (530085095).

1282500505 is a wasteful number, since it uses less digits than its factorization.

1282500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1282500505 is about 35812.0162096467. The cubic root of 1282500505 is about 1086.4736091203.

The spelling of 1282500505 in words is "one billion, two hundred eighty-two million, five hundred thousand, five hundred five".