197271243 has 24 divisors (see below), whose sum is σ = 323020880. Its totient is φ = 115007040.

The previous prime is 197271227. The next prime is 197271251. The reversal of 197271243 is 342172791.

It is not a de Polignac number, because 197271243 - 2⁴ = 197271227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197271198 and 197271207.

It is not an unprimeable number, because it can be changed into a prime (197221243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42148 + ... + 46593.

Almost surely, 2^197271243 is an apocalyptic number.

197271243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

197271243 is a deficient number, since it is larger than the sum of its proper divisors (125749637).

197271243 is a wasteful number, since it uses less digits than its factorization.

197271243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88779 (or 88776 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 197271243 is about 14045.3281556538. The cubic root of 197271243 is about 582.1317146180.

The spelling of 197271243 in words is "one hundred ninety-seven million, two hundred seventy-one thousand, two hundred forty-three".