120197880 has 192 divisors, whose sum is σ = 431308800. Its totient is φ = 28788480.

The previous prime is 120197873. The next prime is 120197893. The reversal of 120197880 is 88791021.

It is a super-3 number, since 3×120197880³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 502801 + ... + 503039.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^120197880 is an apocalyptic number.

120197880 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 120197880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215654400).

120197880 is an abundant number, since it is smaller than the sum of its proper divisors (311110920).

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

120197880 is a wasteful number, since it uses less digits than its factorization.

120197880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 120197880 is about 10963.4793747241. The cubic root of 120197880 is about 493.5133848915.

The spelling of 120197880 in words is "one hundred twenty million, one hundred ninety-seven thousand, eight hundred eighty".