120727100 has 36 divisors (see below), whose sum is σ = 282132984. Its totient is φ = 44575680.

The previous prime is 120727093. The next prime is 120727109. The reversal of 120727100 is 1727021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120727109) by changing a digit.

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, 45134 + ... + 47733.

Almost surely, 2^120727100 is an apocalyptic number.

120727100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120727100 is an abundant number, since it is smaller than the sum of its proper divisors (161405884).

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

120727100 is a wasteful number, since it uses less digits than its factorization.

120727100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92894 (or 92887 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 120727100 is about 10987.5884524312. The cubic root of 120727100 is about 494.2366222053.

The spelling of 120727100 in words is "one hundred twenty million, seven hundred twenty-seven thousand, one hundred".