1284528674 has 16 divisors (see below), whose sum is σ = 2263645440. Its totient is φ = 538962960.

The previous prime is 1284528631. The next prime is 1284528689. The reversal of 1284528674 is 4768254821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245394 + ... + 2245965.

It is an arithmetic number, because the mean of its divisors is an integer number (141477840).

Almost surely, 2^1284528674 is an apocalyptic number.

1284528674 is a deficient number, since it is larger than the sum of its proper divisors (979116766).

1284528674 is a wasteful number, since it uses less digits than its factorization.

1284528674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491385.

The product of its digits is 860160, while the sum is 47.

The square root of 1284528674 is about 35840.3219014562. The cubic root of 1284528674 is about 1087.0460303462.

The spelling of 1284528674 in words is "one billion, two hundred eighty-four million, five hundred twenty-eight thousand, six hundred seventy-four".