1284001244 has 12 divisors (see below), whose sum is σ = 2247504000. Its totient is φ = 641857248.

The previous prime is 1284001237. The next prime is 1284001249. The reversal of 1284001244 is 4421004821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284001249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14249 + ... + 52640.

It is an arithmetic number, because the mean of its divisors is an integer number (187292000).

Almost surely, 2^1284001244 is an apocalyptic number.

It is an amenable number.

1284001244 is a deficient number, since it is larger than the sum of its proper divisors (963502756).

1284001244 is a wasteful number, since it uses less digits than its factorization.

1284001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71692 (or 71690 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1284001244 is about 35832.9630926609. The cubic root of 1284001244 is about 1086.8972288990.

The spelling of 1284001244 in words is "one billion, two hundred eighty-four million, one thousand, two hundred forty-four".