120441555 has 24 divisors (see below), whose sum is σ = 224825328. Its totient is φ = 59294016.

The previous prime is 120441533. The next prime is 120441557. The reversal of 120441555 is 555144021.

It is not a de Polignac number, because 120441555 - 2⁵ = 120441523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120441557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102357 + ... + 103526.

It is an arithmetic number, because the mean of its divisors is an integer number (9367722).

Almost surely, 2^120441555 is an apocalyptic number.

120441555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120441555 is a deficient number, since it is larger than the sum of its proper divisors (104383773).

120441555 is a wasteful number, since it uses less digits than its factorization.

120441555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205907 (or 205904 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 120441555 is about 10974.5867803758. The cubic root of 120441555 is about 493.8466567168.

Adding to 120441555 its reverse (555144021), we get a palindrome (675585576).

The spelling of 120441555 in words is "one hundred twenty million, four hundred forty-one thousand, five hundred fifty-five".