191255102 has 16 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 90505368.

The previous prime is 191255101. The next prime is 191255107. The reversal of 191255102 is 201552191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191255101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52463 + ... + 55989.

It is an arithmetic number, because the mean of its divisors is an integer number (18892440).

Almost surely, 2^191255102 is an apocalyptic number.

191255102 is a deficient number, since it is larger than the sum of its proper divisors (111023938).

191255102 is a wasteful number, since it uses less digits than its factorization.

191255102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 191255102 is about 13829.5011479084. The cubic root of 191255102 is about 576.1527995310.

The spelling of 191255102 in words is "one hundred ninety-one million, two hundred fifty-five thousand, one hundred two".