1282242646 has 32 divisors (see below), whose sum is σ = 2121672960. Its totient is φ = 578534400.

The previous prime is 1282242589. The next prime is 1282242649. The reversal of 1282242646 is 6462422821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282242649) 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, 109306 + ... + 120466.

It is an arithmetic number, because the mean of its divisors is an integer number (66302280).

Almost surely, 2^1282242646 is an apocalyptic number.

1282242646 is a deficient number, since it is larger than the sum of its proper divisors (839430314).

1282242646 is a wasteful number, since it uses less digits than its factorization.

1282242646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320.

The product of its digits is 73728, while the sum is 37.

The square root of 1282242646 is about 35808.4158543770. The cubic root of 1282242646 is about 1086.4007889341.

The spelling of 1282242646 in words is "one billion, two hundred eighty-two million, two hundred forty-two thousand, six hundred forty-six".