124144440401 has 2 divisors, whose sum is σ = 124144440402. Its totient is φ = 124144440400.

The previous prime is 124144440373. The next prime is 124144440443. The reversal of 124144440401 is 104044441421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63542309776 + 60602130625 = 252076^2 + 246175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124144440401 is a prime.

It is not a weakly prime, because it can be changed into another prime (124144440701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62072220200 + 62072220201.

It is an arithmetic number, because the mean of its divisors is an integer number (62072220201).

Almost surely, 2^124144440401 is an apocalyptic number.

It is an amenable number.

124144440401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124144440401 is an equidigital number, since it uses as much as digits as its factorization.

124144440401 is an evil number, because the sum of its binary digits is even.

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

Adding to 124144440401 its reverse (104044441421), we get a palindrome (228188881822).

The spelling of 124144440401 in words is "one hundred twenty-four billion, one hundred forty-four million, four hundred forty thousand, four hundred one".