201481124 has 18 divisors (see below), whose sum is σ = 381802050. Its totient is φ = 92990976.

The previous prime is 201481123. The next prime is 201481139. The reversal of 201481124 is 421184102.

It can be written as a sum of positive squares in 3 ways, for example, as 21921124 + 179560000 = 4682^2 + 13400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201481124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201481123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148349 + ... + 149700.

It is an arithmetic number, because the mean of its divisors is an integer number (21211225).

Almost surely, 2^201481124 is an apocalyptic number.

It is an amenable number.

201481124 is a deficient number, since it is larger than the sum of its proper divisors (180320926).

201481124 is a wasteful number, since it uses less digits than its factorization.

201481124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298079 (or 298064 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 201481124 is about 14194.4046722643. The cubic root of 201481124 is about 586.2436095702.

It can be divided in two parts, 2014 and 81124, that added together give a palindrome (83138).

The spelling of 201481124 in words is "two hundred one million, four hundred eighty-one thousand, one hundred twenty-four".