124121040001 has 6 divisors (see below), whose sum is σ = 144385699650. Its totient is φ = 106389462816.

The previous prime is 124121039963. The next prime is 124121040013. The reversal of 124121040001 is 100040121421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94605456400 + 29515583601 = 307580^2 + 171801^2 .

It is not a de Polignac number, because 124121040001 - 2¹³ = 124121031809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124121040031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1266541176 + ... + 1266541273.

It is an arithmetic number, because the mean of its divisors is an integer number (24064283275).

Almost surely, 2^124121040001 is an apocalyptic number.

It is an amenable number.

124121040001 is a deficient number, since it is larger than the sum of its proper divisors (20264659649).

124121040001 is an equidigital number, since it uses as much as digits as its factorization.

124121040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533082463 (or 2533082456 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 124121040001 its reverse (100040121421), we get a palindrome (224161161422).

The spelling of 124121040001 in words is "one hundred twenty-four billion, one hundred twenty-one million, forty thousand, one".