1260284378 has 32 divisors (see below), whose sum is σ = 1987286400. Its totient is φ = 598643136.

The previous prime is 1260284369. The next prime is 1260284401. The reversal of 1260284378 is 8734820621.

It is a super-3 number, since 3×1260284378³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029875 + ... + 1031097.

It is an arithmetic number, because the mean of its divisors is an integer number (62102700).

Almost surely, 2^1260284378 is an apocalyptic number.

1260284378 is a deficient number, since it is larger than the sum of its proper divisors (727002022).

1260284378 is a wasteful number, since it uses less digits than its factorization.

1260284378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1260284378 is about 35500.4841938811. The cubic root of 1260284378 is about 1080.1635491915.

The spelling of 1260284378 in words is "one billion, two hundred sixty million, two hundred eighty-four thousand, three hundred seventy-eight".