1228048560 has 80 divisors (see below), whose sum is σ = 4229952480. Its totient is φ = 327479040.

The previous prime is 1228048541. The next prime is 1228048573. The reversal of 1228048560 is 658408221.

1228048560 is a `hidden beast` number, since 12 + 2 + 80 + 4 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282111 + ... + 286430.

It is an arithmetic number, because the mean of its divisors is an integer number (52874406).

Almost surely, 2^1228048560 is an apocalyptic number.

1228048560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228048560 is an abundant number, since it is smaller than the sum of its proper divisors (3001903920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1228048560 is a wasteful number, since it uses less digits than its factorization.

1228048560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568563 (or 568551 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1228048560 is about 35043.5237954176. The cubic root of 1228048560 is about 1070.8743428438.

The spelling of 1228048560 in words is "one billion, two hundred twenty-eight million, forty-eight thousand, five hundred sixty".