1201100440124 has 72 divisors (see below), whose sum is σ = 2356790153760. Its totient is φ = 534725597952.

The previous prime is 1201100440091. The next prime is 1201100440129. The reversal of 1201100440124 is 4210440011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201100440096 and 1201100440105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201100440129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20810234 + ... + 20867870.

It is an arithmetic number, because the mean of its divisors is an integer number (32733196580).

Almost surely, 2^{1201100440124} is an apocalyptic number.

It is an amenable number.

1201100440124 is a deficient number, since it is larger than the sum of its proper divisors (1155689713636).

1201100440124 is a wasteful number, since it uses less digits than its factorization.

1201100440124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58759 (or 58744 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1201100440124 its reverse (4210440011021), we get a palindrome (5411540451145).

The spelling of 1201100440124 in words is "one trillion, two hundred one billion, one hundred million, four hundred forty thousand, one hundred twenty-four".