124173842 has 8 divisors (see below), whose sum is σ = 200588556. Its totient is φ = 57310992.

The previous prime is 124173719. The next prime is 124173901. The reversal of 124173842 is 248371421.

It can be written as a sum of positive squares in 2 ways, for example, as 99780121 + 24393721 = 9989^2 + 4939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 124173799 and 124173808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387933 + ... + 2387984.

Almost surely, 2^124173842 is an apocalyptic number.

124173842 is a deficient number, since it is larger than the sum of its proper divisors (76414714).

124173842 is a wasteful number, since it uses less digits than its factorization.

124173842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775932.

The product of its digits is 10752, while the sum is 32.

The square root of 124173842 is about 11143.3317279887. The cubic root of 124173842 is about 498.8960202514.

The spelling of 124173842 in words is "one hundred twenty-four million, one hundred seventy-three thousand, eight hundred forty-two".