1276061284 has 27 divisors (see below), whose sum is σ = 2282810187. Its totient is φ = 624134784.

The previous prime is 1276061279. The next prime is 1276061317. The reversal of 1276061284 is 4821606721.

The square root of 1276061284 is 35722.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 142884 + 1275918400 = 378^2 + 35720^2 .

It is a super-3 number, since 3×1276061284³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3786364 + ... + 3786700.

Almost surely, 2^1276061284 is an apocalyptic number.

1276061284 is the 35722-nd square number.

It is an amenable number.

1276061284 is a deficient number, since it is larger than the sum of its proper divisors (1006748903).

1276061284 is an frugal number, since it uses more digits than its factorization.

1276061284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The cubic root of 1276061284 is about 1084.6522231955.

The spelling of 1276061284 in words is "one billion, two hundred seventy-six million, sixty-one thousand, two hundred eighty-four".