196120305 has 16 divisors (see below), whose sum is σ = 348658560. Its totient is φ = 104597424.

The previous prime is 196120303. The next prime is 196120357. The reversal of 196120305 is 503021691.

196120305 is a `hidden beast` number, since 19 + 612 + 0 + 30 + 5 = 666.

It is not a de Polignac number, because 196120305 - 2¹ = 196120303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (196120303) 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, 726237 + ... + 726506.

It is an arithmetic number, because the mean of its divisors is an integer number (21791160).

Almost surely, 2^196120305 is an apocalyptic number.

196120305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196120305 is a deficient number, since it is larger than the sum of its proper divisors (152538255).

196120305 is a wasteful number, since it uses less digits than its factorization.

196120305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452757 (or 1452751 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 196120305 is about 14004.2959480297. The cubic root of 196120305 is about 580.9973970020.

Adding to 196120305 its reverse (503021691), we get a palindrome (699141996).

The spelling of 196120305 in words is "one hundred ninety-six million, one hundred twenty thousand, three hundred five".