120989700 has 216 divisors, whose sum is σ = 424639488. Its totient is φ = 29704320.

The previous prime is 120989669. The next prime is 120989747. The reversal of 120989700 is 7989021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 315709 + ... + 316091.

Almost surely, 2^120989700 is an apocalyptic number.

120989700 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 120989700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212319744).

120989700 is an abundant number, since it is smaller than the sum of its proper divisors (303649788).

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

120989700 is a wasteful number, since it uses less digits than its factorization.

120989700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 120989700 is about 10999.5318082180. The cubic root of 120989700 is about 494.5947095738.

It can be divided in two parts, 1209 and 89700, that added together give a palindrome (90909).

The spelling of 120989700 in words is "one hundred twenty million, nine hundred eighty-nine thousand, seven hundred".