124401020020201 has 8 divisors (see below), whose sum is σ = 124469481059784. Its totient is φ = 124332560718720.

The previous prime is 124401020020181. The next prime is 124401020020223. The reversal of 124401020020201 is 102020020104421.

It can be written as a sum of positive squares in 4 ways, for example, as 24978204752400 + 99422815267801 = 4997820^2 + 9971099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124401020020201 - 2²⁹ = 124400483149289 is a prime.

It is a super-2 number, since 2×124401020020201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124401020020261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158756301 + ... + 159537973.

It is an arithmetic number, because the mean of its divisors is an integer number (15558685132473).

Almost surely, 2^{124401020020201} is an apocalyptic number.

It is an amenable number.

124401020020201 is a deficient number, since it is larger than the sum of its proper divisors (68461039583).

124401020020201 is an equidigital number, since it uses as much as digits as its factorization.

124401020020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869051.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 124401020020201 its reverse (102020020104421), we get a palindrome (226421040124622).

The spelling of 124401020020201 in words is "one hundred twenty-four trillion, four hundred one billion, twenty million, twenty thousand, two hundred one".