120113532 has 72 divisors (see below), whose sum is σ = 378548352. Its totient is φ = 31197600.

The previous prime is 120113471. The next prime is 120113537. The reversal of 120113532 is 235311021.

120113532 is a `hidden beast` number, since 1 + 20 + 113 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113537) 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, 18894 + ... + 24437.

It is an arithmetic number, because the mean of its divisors is an integer number (5257616).

Almost surely, 2^120113532 is an apocalyptic number.

120113532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120113532 is an abundant number, since it is smaller than the sum of its proper divisors (258434820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120113532 is a wasteful number, since it uses less digits than its factorization.

120113532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43359 (or 43354 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 120113532 is about 10959.6319281261. The cubic root of 120113532 is about 493.3979180521.

Adding to 120113532 its reverse (235311021), we get a palindrome (355424553).

The spelling of 120113532 in words is "one hundred twenty million, one hundred thirteen thousand, five hundred thirty-two".