1120660578 has 12 divisors (see below), whose sum is σ = 2428097958. Its totient is φ = 373553520.

The previous prime is 1120660561. The next prime is 1120660589. The reversal of 1120660578 is 8750660211.

1120660578 is a `hidden beast` number, since 1 + 1 + 20 + 6 + 60 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1086823089 + 33837489 = 32967^2 + 5817^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31129443 + ... + 31129478.

Almost surely, 2^1120660578 is an apocalyptic number.

1120660578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1120660578 is an abundant number, since it is smaller than the sum of its proper divisors (1307437380).

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

1120660578 is a wasteful number, since it uses less digits than its factorization.

1120660578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62258929 (or 62258926 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1120660578 is about 33476.2688781172. The cubic root of 1120660578 is about 1038.7029497298.

The spelling of 1120660578 in words is "one billion, one hundred twenty million, six hundred sixty thousand, five hundred seventy-eight".