124403101 has 2 divisors, whose sum is σ = 124403102. Its totient is φ = 124403100.

The previous prime is 124403099. The next prime is 124403107. The reversal of 124403101 is 101304421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 22372900 = 10101^2 + 4730^2 .

It is an emirp because it is prime and its reverse (101304421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124403101 - 2¹ = 124403099 is a prime.

It is a super-2 number, since 2×124403101² = 30952263076832402, which contains 22 as substring.

Together with 124403099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124403107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62201550 + 62201551.

It is an arithmetic number, because the mean of its divisors is an integer number (62201551).

Almost surely, 2^124403101 is an apocalyptic number.

It is an amenable number.

124403101 is a deficient number, since it is larger than the sum of its proper divisors (1).

124403101 is an equidigital number, since it uses as much as digits as its factorization.

124403101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124403101 is about 11153.6138089859. The cubic root of 124403101 is about 499.2028644920.

Adding to 124403101 its reverse (101304421), we get a palindrome (225707522).

It can be divided in two parts, 124 and 403101, that added together give a square (403225 = 635²).

The spelling of 124403101 in words is "one hundred twenty-four million, four hundred three thousand, one hundred one".