1120201155 has 12 divisors (see below), whose sum is σ = 1941682080. Its totient is φ = 597440592.

The previous prime is 1120201091. The next prime is 1120201171. The reversal of 1120201155 is 5511020211.

It is not a de Polignac number, because 1120201155 - 2⁶ = 1120201091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12446635 + ... + 12446724.

It is an arithmetic number, because the mean of its divisors is an integer number (161806840).

Almost surely, 2^1120201155 is an apocalyptic number.

1120201155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120201155 is a deficient number, since it is larger than the sum of its proper divisors (821480925).

1120201155 is a wasteful number, since it uses less digits than its factorization.

1120201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24893370 (or 24893367 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1120201155 is about 33469.4062540703. The cubic root of 1120201155 is about 1038.5609890384.

Adding to 1120201155 its reverse (5511020211), we get a palindrome (6631221366).

The spelling of 1120201155 in words is "one billion, one hundred twenty million, two hundred one thousand, one hundred fifty-five".