1120055571 has 12 divisors (see below), whose sum is σ = 1640021448. Its totient is φ = 736474464.

The previous prime is 1120055569. The next prime is 1120055593. The reversal of 1120055571 is 1755500211.

It is not a de Polignac number, because 1120055571 - 2¹ = 1120055569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120055561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851745 + ... + 853058.

It is an arithmetic number, because the mean of its divisors is an integer number (136668454).

Almost surely, 2^1120055571 is an apocalyptic number.

1120055571 is a deficient number, since it is larger than the sum of its proper divisors (519965877).

1120055571 is a wasteful number, since it uses less digits than its factorization.

1120055571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704882 (or 1704879 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 1120055571 is about 33467.2313016778. The cubic root of 1120055571 is about 1038.5159958058.

Adding to 1120055571 its reverse (1755500211), we get a palindrome (2875555782).

The spelling of 1120055571 in words is "one billion, one hundred twenty million, fifty-five thousand, five hundred seventy-one".