197122752 has 168 divisors, whose sum is σ = 614092752. Its totient is φ = 60211200.

The previous prime is 197122733. The next prime is 197122753. The reversal of 197122752 is 257221791.

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

It is not an unprimeable number, because it can be changed into a prime (197122753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401227 + ... + 401717.

It is an arithmetic number, because the mean of its divisors is an integer number (3655314).

Almost surely, 2^197122752 is an apocalyptic number.

197122752 is a gapful number since it is divisible by the number (12) 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 197122752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307046376).

197122752 is an abundant number, since it is smaller than the sum of its proper divisors (416970000).

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

197122752 is a wasteful number, since it uses less digits than its factorization.

197122752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 554 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 197122752 is about 14040.0410255811. The cubic root of 197122752 is about 581.9856162527.

The spelling of 197122752 in words is "one hundred ninety-seven million, one hundred twenty-two thousand, seven hundred fifty-two".