190478101 has 8 divisors (see below), whose sum is σ = 208170144. Its totient is φ = 172848720.

The previous prime is 190478053. The next prime is 190478143. The reversal of 190478101 is 101874091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190478101 - 2¹⁷ = 190347029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190478191) 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, 9186 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (26021268).

Almost surely, 2^190478101 is an apocalyptic number.

190478101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190478101 is a deficient number, since it is larger than the sum of its proper divisors (17692043).

190478101 is a wasteful number, since it uses less digits than its factorization.

190478101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31331.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 190478101 is about 13801.3804019743. The cubic root of 190478101 is about 575.3715063586.

The spelling of 190478101 in words is "one hundred ninety million, four hundred seventy-eight thousand, one hundred one".