120113155 has 16 divisors (see below), whose sum is σ = 152006400. Its totient is φ = 90862560.

The previous prime is 120113113. The next prime is 120113159. The reversal of 120113155 is 551311021.

It is not a de Polignac number, because 120113155 - 2⁷ = 120113027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (120113159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76266 + ... + 77824.

It is an arithmetic number, because the mean of its divisors is an integer number (9500400).

Almost surely, 2^120113155 is an apocalyptic number.

120113155 is a deficient number, since it is larger than the sum of its proper divisors (31893245).

120113155 is a wasteful number, since it uses less digits than its factorization.

120113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 120113155 is about 10959.6147286298. The cubic root of 120113155 is about 493.3974018427.

Adding to 120113155 its reverse (551311021), we get a palindrome (671424176).

The spelling of 120113155 in words is "one hundred twenty million, one hundred thirteen thousand, one hundred fifty-five".