197948307121 has 8 divisors (see below), whose sum is σ = 199008213984. Its totient is φ = 196888753920.

The previous prime is 197948307101. The next prime is 197948307133. The reversal of 197948307121 is 121703849791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197948307121 - 2⁹ = 197948306609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197948307101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074810 + ... + 1245436.

It is an arithmetic number, because the mean of its divisors is an integer number (24876026748).

Almost surely, 2^197948307121 is an apocalyptic number.

It is an amenable number.

197948307121 is a deficient number, since it is larger than the sum of its proper divisors (1059906863).

197948307121 is a wasteful number, since it uses less digits than its factorization.

197948307121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176831.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 197948307121 in words is "one hundred ninety-seven billion, nine hundred forty-eight million, three hundred seven thousand, one hundred twenty-one".