1284246402 has 16 divisors (see below), whose sum is σ = 2719580832. Its totient is φ = 402900800.

The previous prime is 1284246401. The next prime is 1284246407. The reversal of 1284246402 is 2046424821.

It is not an unprimeable number, because it can be changed into a prime (1284246401) by changing a digit.

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, 6295224 + ... + 6295427.

It is an arithmetic number, because the mean of its divisors is an integer number (169973802).

Almost surely, 2^1284246402 is an apocalyptic number.

1284246402 is an abundant number, since it is smaller than the sum of its proper divisors (1435334430).

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

1284246402 is a wasteful number, since it uses less digits than its factorization.

1284246402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590673.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 1284246402 is about 35836.3837740361. The cubic root of 1284246402 is about 1086.9663992873.

The spelling of 1284246402 in words is "one billion, two hundred eighty-four million, two hundred forty-six thousand, four hundred two".