124204404142001 has 4 divisors (see below), whose sum is σ = 124204577393652. Its totient is φ = 124204230890352.

The previous prime is 124204404141931. The next prime is 124204404142061. The reversal of 124204404142001 is 100241404402421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97328484870400 + 26875919271601 = 9865520^2 + 5184199^2 .

It is a cyclic number.

It is not a de Polignac number, because 124204404142001 - 2⁴⁶ = 53835659964337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124204404142061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85545986 + ... + 86985771.

It is an arithmetic number, because the mean of its divisors is an integer number (31051144348413).

Almost surely, 2^{124204404142001} is an apocalyptic number.

It is an amenable number.

124204404142001 is a deficient number, since it is larger than the sum of its proper divisors (173251651).

124204404142001 is an equidigital number, since it uses as much as digits as its factorization.

124204404142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173251650.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 124204404142001 its reverse (100241404402421), we get a palindrome (224445808544422).

The spelling of 124204404142001 in words is "one hundred twenty-four trillion, two hundred four billion, four hundred four million, one hundred forty-two thousand, one".