1280472548 has 24 divisors (see below), whose sum is σ = 2385280800. Its totient is φ = 599721408.

The previous prime is 1280472541. The next prime is 1280472563. The reversal of 1280472548 is 8452740821.

It is a super-2 number, since 2×1280472548² = 3279219892363224608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1280472541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87890 + ... + 101417.

It is an arithmetic number, because the mean of its divisors is an integer number (99386700).

Almost surely, 2^1280472548 is an apocalyptic number.

It is an amenable number.

1280472548 is a deficient number, since it is larger than the sum of its proper divisors (1104808252).

1280472548 is a wasteful number, since it uses less digits than its factorization.

1280472548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189419 (or 189417 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 1280472548 is about 35783.6910896570. The cubic root of 1280472548 is about 1085.9006440131.

The spelling of 1280472548 in words is "one billion, two hundred eighty million, four hundred seventy-two thousand, five hundred forty-eight".