201170120 has 16 divisors (see below), whose sum is σ = 452632860. Its totient is φ = 80468032.

The previous prime is 201170089. The next prime is 201170153. The reversal of 201170120 is 21071102.

It can be written as a sum of positive squares in 2 ways, for example, as 197065444 + 4104676 = 14038^2 + 2026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201170095 and 201170104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514587 + ... + 2514666.

Almost surely, 2^201170120 is an apocalyptic number.

201170120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201170120 is an abundant number, since it is smaller than the sum of its proper divisors (251462740).

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

201170120 is a wasteful number, since it uses less digits than its factorization.

201170120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029264 (or 5029260 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 201170120 is about 14183.4452796209. The cubic root of 201170120 is about 585.9418145507.

The spelling of 201170120 in words is "two hundred one million, one hundred seventy thousand, one hundred twenty".