197897124 has 48 divisors (see below), whose sum is σ = 472288320. Its totient is φ = 64471680.

The previous prime is 197897123. The next prime is 197897143. The reversal of 197897124 is 421798791.

It is not an unprimeable number, because it can be changed into a prime (197897123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240634 + ... + 241454.

It is an arithmetic number, because the mean of its divisors is an integer number (9839340).

Almost surely, 2^197897124 is an apocalyptic number.

It is an amenable number.

197897124 is an abundant number, since it is smaller than the sum of its proper divisors (274391196).

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

197897124 is a wasteful number, since it uses less digits than its factorization.

197897124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 197897124 is about 14067.5912650318. The cubic root of 197897124 is about 582.7467063311.

The spelling of 197897124 in words is "one hundred ninety-seven million, eight hundred ninety-seven thousand, one hundred twenty-four".