190100 has 18 divisors (see below), whose sum is σ = 412734. Its totient is φ = 76000.

The previous prime is 190097. The next prime is 190121. The reversal of 190100 is 1091.

190100 = T₆₁ + T₆₂ + ... + T₁₁₀.

190100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4 + 190096 = 2^2 + 436^2 .

It is a super-2 number, since 2×190100² = 72276020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851 + ... + 1050.

2¹⁹⁰¹⁰⁰ is an apocalyptic number.

190100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190100 is an abundant number, since it is smaller than the sum of its proper divisors (222634).

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

190100 is a wasteful number, since it uses less digits than its factorization.

190100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 190100 is about 436.0045871318. The cubic root of 190100 is about 57.4990548049.

Adding to 190100 its reverse (1091), we get a palindrome (191191).

The spelling of 190100 in words is "one hundred ninety thousand, one hundred".