197929126 has 16 divisors (see below), whose sum is σ = 306169344. Its totient is φ = 95913864.

The previous prime is 197929117. The next prime is 197929153. The reversal of 197929126 is 621929791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (19135584).

Almost surely, 2^197929126 is an apocalyptic number.

197929126 is a deficient number, since it is larger than the sum of its proper divisors (108240218).

197929126 is a wasteful number, since it uses less digits than its factorization.

197929126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595.

The product of its digits is 122472, while the sum is 46.

The square root of 197929126 is about 14068.7286561366. The cubic root of 197929126 is about 582.7781166830.

The spelling of 197929126 in words is "one hundred ninety-seven million, nine hundred twenty-nine thousand, one hundred twenty-six".