124229985 has 32 divisors (see below), whose sum is σ = 217358208. Its totient is φ = 60088320.

The previous prime is 124229983. The next prime is 124230031. The reversal of 124229985 is 589922421.

It is a happy number.

It is not a de Polignac number, because 124229985 - 2¹ = 124229983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124229983) 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, 107169 + ... + 108321.

It is an arithmetic number, because the mean of its divisors is an integer number (6792444).

Almost surely, 2^124229985 is an apocalyptic number.

124229985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124229985 is a deficient number, since it is larger than the sum of its proper divisors (93128223).

124229985 is a wasteful number, since it uses less digits than its factorization.

124229985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its digits is 103680, while the sum is 42.

The square root of 124229985 is about 11145.8505731954. The cubic root of 124229985 is about 498.9711979178.

The spelling of 124229985 in words is "one hundred twenty-four million, two hundred twenty-nine thousand, nine hundred eighty-five".