191207104 has 42 divisors (see below), whose sum is σ = 417072572. Its totient is φ = 86908800.

The previous prime is 191207077. The next prime is 191207117. The reversal of 191207104 is 401702191.

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 5 ways as a sum of consecutive naturals, for example, 4602 + ... + 20089.

Almost surely, 2^191207104 is an apocalyptic number.

It is an amenable number.

191207104 is an abundant number, since it is smaller than the sum of its proper divisors (225865468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191207104 is a wasteful number, since it uses less digits than its factorization.

191207104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24725 (or 24704 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 191207104 is about 13827.7656908121. The cubic root of 191207104 is about 576.1045977741.

Adding to 191207104 its reverse (401702191), we get a palindrome (592909295).

The spelling of 191207104 in words is "one hundred ninety-one million, two hundred seven thousand, one hundred four".