1120660571 has 4 divisors (see below), whose sum is σ = 1156810944. Its totient is φ = 1084510200.

The previous prime is 1120660561. The next prime is 1120660589. The reversal of 1120660571 is 1750660211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1750660211 = 23563 ⋅74297.

It is not a de Polignac number, because 1120660571 - 2⁶ = 1120660507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120660561) 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, 18075140 + ... + 18075201.

It is an arithmetic number, because the mean of its divisors is an integer number (289202736).

Almost surely, 2^1120660571 is an apocalyptic number.

1120660571 is a deficient number, since it is larger than the sum of its proper divisors (36150373).

1120660571 is an equidigital number, since it uses as much as digits as its factorization.

1120660571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36150372.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1120660571 is about 33476.2687735656. The cubic root of 1120660571 is about 1038.7029475671.

The spelling of 1120660571 in words is "one billion, one hundred twenty million, six hundred sixty thousand, five hundred seventy-one".