1272510884 has 12 divisors (see below), whose sum is σ = 2228607024. Its totient is φ = 635766024.

The previous prime is 1272510881. The next prime is 1272510913. The reversal of 1272510884 is 4880152721.

It is a super-2 number, since 2×1272510884² = 3238567899796922912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1272510881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116474 + ... + 126929.

It is an arithmetic number, because the mean of its divisors is an integer number (185717252).

Almost surely, 2^1272510884 is an apocalyptic number.

It is an amenable number.

1272510884 is a deficient number, since it is larger than the sum of its proper divisors (956096140).

1272510884 is a wasteful number, since it uses less digits than its factorization.

1272510884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244714 (or 244712 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1272510884 is about 35672.2705192703. The cubic root of 1272510884 is about 1083.6453420094.

The spelling of 1272510884 in words is "one billion, two hundred seventy-two million, five hundred ten thousand, eight hundred eighty-four".