1283255858 has 16 divisors (see below), whose sum is σ = 2096064000. Its totient is φ = 586896912.

The previous prime is 1283255851. The next prime is 1283255861. The reversal of 1283255858 is 8585523821.

It is not an unprimeable number, because it can be changed into a prime (1283255851) 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 7 ways as a sum of consecutive naturals, for example, 581138 + ... + 583341.

It is an arithmetic number, because the mean of its divisors is an integer number (131004000).

Almost surely, 2^1283255858 is an apocalyptic number.

1283255858 is a deficient number, since it is larger than the sum of its proper divisors (812808142).

1283255858 is a wasteful number, since it uses less digits than its factorization.

1283255858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164529.

The product of its digits is 768000, while the sum is 47.

The square root of 1283255858 is about 35822.5607404049. The cubic root of 1283255858 is about 1086.6868670054.

The spelling of 1283255858 in words is "one billion, two hundred eighty-three million, two hundred fifty-five thousand, eight hundred fifty-eight".