124442101 has 4 divisors (see below), whose sum is σ = 142219552. Its totient is φ = 106664652.

The previous prime is 124442099. The next prime is 124442107. The reversal of 124442101 is 101244421.

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.

It is a cyclic number.

It is not a de Polignac number, because 124442101 - 2¹ = 124442099 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 (124442107) 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, 8888715 + ... + 8888728.

It is an arithmetic number, because the mean of its divisors is an integer number (35554888).

Almost surely, 2^124442101 is an apocalyptic number.

It is an amenable number.

124442101 is a deficient number, since it is larger than the sum of its proper divisors (17777451).

124442101 is an equidigital number, since it uses as much as digits as its factorization.

124442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777450.

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

The square root of 124442101 is about 11155.3619842657. The cubic root of 124442101 is about 499.2550252432.

Adding to 124442101 its reverse (101244421), we get a palindrome (225686522).

It can be divided in two parts, 124 and 442101, that added together give a square (442225 = 665²).

The spelling of 124442101 in words is "one hundred twenty-four million, four hundred forty-two thousand, one hundred one".