124442377905 has 32 divisors (see below), whose sum is σ = 206312325120. Its totient is φ = 63984047040.

The previous prime is 124442377901. The next prime is 124442377919. The reversal of 124442377905 is 509773244421.

It is not a de Polignac number, because 124442377905 - 2² = 124442377901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124442377901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386485 + ... + 631074.

It is an arithmetic number, because the mean of its divisors is an integer number (6447260160).

Almost surely, 2^124442377905 is an apocalyptic number.

124442377905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124442377905 is a deficient number, since it is larger than the sum of its proper divisors (81869947215).

124442377905 is a wasteful number, since it uses less digits than its factorization.

124442377905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017861.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 124442377905 in words is "one hundred twenty-four billion, four hundred forty-two million, three hundred seventy-seven thousand, nine hundred five".