197940120 has 128 divisors (see below), whose sum is σ = 689955840. Its totient is φ = 44490240.

The previous prime is 197940101. The next prime is 197940173. The reversal of 197940120 is 21049791.

197940120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197940120² = 78360582211228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49309 + ... + 53171.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^197940120 is an apocalyptic number.

197940120 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 197940120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344977920).

197940120 is an abundant number, since it is smaller than the sum of its proper divisors (492015720).

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

197940120 is a wasteful number, since it uses less digits than its factorization.

197940120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 197940120 is about 14069.1193754265. The cubic root of 197940120 is about 582.7889066462.

The spelling of 197940120 in words is "one hundred ninety-seven million, nine hundred forty thousand, one hundred twenty".