124122101 has 4 divisors (see below), whose sum is σ = 125617632. Its totient is φ = 122626572.

The previous prime is 124122077. The next prime is 124122127. The reversal of 124122101 is 101221421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101221421 = 7 ⋅14460203.

It is a cyclic number.

It is not a de Polignac number, because 124122101 - 2²⁶ = 57013237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124422101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747641 + ... + 747806.

It is an arithmetic number, because the mean of its divisors is an integer number (31404408).

Almost surely, 2^124122101 is an apocalyptic number.

It is an amenable number.

124122101 is a deficient number, since it is larger than the sum of its proper divisors (1495531).

124122101 is an equidigital number, since it uses as much as digits as its factorization.

124122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495530.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 124122101 is about 11141.0098734361. The cubic root of 124122101 is about 498.8267169674.

Adding to 124122101 its reverse (101221421), we get a palindrome (225343522).

The spelling of 124122101 in words is "one hundred twenty-four million, one hundred twenty-two thousand, one hundred one".