201540112 has 20 divisors (see below), whose sum is σ = 391282000. Its totient is φ = 100564128.

The previous prime is 201540043. The next prime is 201540121. The reversal of 201540112 is 211045102.

It is a super-3 number, since 3×201540112³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (19564100).

Almost surely, 2^201540112 is an apocalyptic number.

It is an amenable number.

201540112 is a deficient number, since it is larger than the sum of its proper divisors (189741888).

201540112 is a wasteful number, since it uses less digits than its factorization.

201540112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750 (or 25744 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 201540112 is about 14196.4823812098. The cubic root of 201540112 is about 586.3008158618.

Adding to 201540112 its reverse (211045102), we get a palindrome (412585214).

The spelling of 201540112 in words is "two hundred one million, five hundred forty thousand, one hundred twelve".