197071401 has 16 divisors (see below), whose sum is σ = 278301440. Its totient is φ = 123696720.

The previous prime is 197071367. The next prime is 197071403. The reversal of 197071401 is 104170791.

It is not a de Polignac number, because 197071401 - 2¹⁴ = 197055017 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197071403) 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, 1315 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (17393840).

Almost surely, 2^197071401 is an apocalyptic number.

It is an amenable number.

197071401 is a deficient number, since it is larger than the sum of its proper divisors (81230039).

197071401 is a wasteful number, since it uses less digits than its factorization.

197071401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21396.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 197071401 is about 14038.2121724955. The cubic root of 197071401 is about 581.9350755980.

The spelling of 197071401 in words is "one hundred ninety-seven million, seventy-one thousand, four hundred one".