1285282542 has 64 divisors (see below), whose sum is σ = 2706177600. Its totient is φ = 406508544.

The previous prime is 1285282499. The next prime is 1285282549. The reversal of 1285282542 is 2452825821.

It is a self number, because there is not a number n which added to its sum of digits gives 1285282542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285282549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3682584 + ... + 3682932.

It is an arithmetic number, because the mean of its divisors is an integer number (42284025).

Almost surely, 2^1285282542 is an apocalyptic number.

1285282542 is an abundant number, since it is smaller than the sum of its proper divisors (1420895058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285282542 is a wasteful number, since it uses less digits than its factorization.

1285282542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its digits is 102400, while the sum is 39.

The square root of 1285282542 is about 35850.8373960777. The cubic root of 1285282542 is about 1087.2586450250.

The spelling of 1285282542 in words is "one billion, two hundred eighty-five million, two hundred eighty-two thousand, five hundred forty-two".