124440105 has 16 divisors (see below), whose sum is σ = 202077504. Its totient is φ = 65376960.

The previous prime is 124440103. The next prime is 124440133. The reversal of 124440105 is 501044421.

It is a happy number.

It is not a de Polignac number, because 124440105 - 2¹ = 124440103 is a prime.

It is a super-2 number, since 2×124440105² = 30970679464822050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124440103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60906 + ... + 62915.

It is an arithmetic number, because the mean of its divisors is an integer number (12629844).

Almost surely, 2^124440105 is an apocalyptic number.

124440105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124440105 is a deficient number, since it is larger than the sum of its proper divisors (77637399).

124440105 is a wasteful number, since it uses less digits than its factorization.

124440105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123896.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 124440105 is about 11155.2725202032. The cubic root of 124440105 is about 499.2523559473.

Adding to 124440105 its reverse (501044421), we get a palindrome (625484526).

The spelling of 124440105 in words is "one hundred twenty-four million, four hundred forty thousand, one hundred five".