120529100 has 36 divisors (see below), whose sum is σ = 263097744. Its totient is φ = 47926080.

The previous prime is 120529081. The next prime is 120529127. The reversal of 120529100 is 1925021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13817 + ... + 20783.

Almost surely, 2^120529100 is an apocalyptic number.

120529100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120529100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131548872).

120529100 is an abundant number, since it is smaller than the sum of its proper divisors (142568644).

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

120529100 is a wasteful number, since it uses less digits than its factorization.

120529100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154 (or 7147 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 120529100 is about 10978.5745887160. The cubic root of 120529100 is about 493.9662813616.

The spelling of 120529100 in words is "one hundred twenty million, five hundred twenty-nine thousand, one hundred".