201124860 has 48 divisors (see below), whose sum is σ = 582573600. Its totient is φ = 51783424.

The previous prime is 201124849. The next prime is 201124879. The reversal of 201124860 is 68421102.

It is a self number, because there is not a number n which added to its sum of digits gives 201124860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56055 + ... + 59534.

It is an arithmetic number, because the mean of its divisors is an integer number (12136950).

Almost surely, 2^201124860 is an apocalyptic number.

201124860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201124860 is an abundant number, since it is smaller than the sum of its proper divisors (381448740).

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

201124860 is a wasteful number, since it uses less digits than its factorization.

201124860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115630 (or 115628 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 201124860 is about 14181.8496677972. The cubic root of 201124860 is about 585.8978688004.

Adding to 201124860 its reverse (68421102), we get a palindrome (269545962).

The spelling of 201124860 in words is "two hundred one million, one hundred twenty-four thousand, eight hundred sixty".