1284994612 has 24 divisors (see below), whose sum is σ = 2513008512. Its totient is φ = 569841600.

The previous prime is 1284994591. The next prime is 1284994649. The reversal of 1284994612 is 2164994821.

It is a super-2 number, since 2×1284994612² = 3302422305738061088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354348 + ... + 357955.

It is an arithmetic number, because the mean of its divisors is an integer number (104708688).

Almost surely, 2^1284994612 is an apocalyptic number.

It is an amenable number.

1284994612 is a deficient number, since it is larger than the sum of its proper divisors (1228013900).

1284994612 is a wasteful number, since it uses less digits than its factorization.

1284994612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712359 (or 712357 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 1284994612 is about 35846.8215048420. The cubic root of 1284994612 is about 1087.1774494510.

It can be divided in two parts, 1284994 and 612, that added together give a triangular number (1285606 = T₁₆₀₃).

The spelling of 1284994612 in words is "one billion, two hundred eighty-four million, nine hundred ninety-four thousand, six hundred twelve".