197280105 has 32 divisors (see below), whose sum is σ = 347010048. Its totient is φ = 94910400.

The previous prime is 197280089. The next prime is 197280107. The reversal of 197280105 is 501082791.

It is not a de Polignac number, because 197280105 - 2⁴ = 197280089 is a prime.

It is a super-2 number, since 2×197280105² = 77838879657622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (197280107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17052 + ... + 26178.

It is an arithmetic number, because the mean of its divisors is an integer number (10844064).

Almost surely, 2^197280105 is an apocalyptic number.

197280105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197280105 is a deficient number, since it is larger than the sum of its proper divisors (149729943).

197280105 is a wasteful number, since it uses less digits than its factorization.

197280105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 197280105 is about 14045.6436306778. The cubic root of 197280105 is about 582.1404315060.

The spelling of 197280105 in words is "one hundred ninety-seven million, two hundred eighty thousand, one hundred five".