120127900 has 36 divisors (see below), whose sum is σ = 267731128. Its totient is φ = 46751040.

The previous prime is 120127879. The next prime is 120127901. The reversal of 120127900 is 9721021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120127901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12534 + ... + 19933.

Almost surely, 2^120127900 is an apocalyptic number.

120127900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120127900 is an abundant number, since it is smaller than the sum of its proper divisors (147603228).

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

120127900 is a wasteful number, since it uses less digits than its factorization.

120127900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32518 (or 32511 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 120127900 is about 10960.2874049908. The cubic root of 120127900 is about 493.4175907138.

Adding to 120127900 its reverse (9721021), we get a palindrome (129848921).

The spelling of 120127900 in words is "one hundred twenty million, one hundred twenty-seven thousand, nine hundred".