124049871 has 24 divisors (see below), whose sum is σ = 195823056. Its totient is φ = 75047040.

The previous prime is 124049869. The next prime is 124049881. The reversal of 124049871 is 178940421.

It is not a de Polignac number, because 124049871 - 2¹ = 124049869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124049881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101661 + ... + 102873.

It is an arithmetic number, because the mean of its divisors is an integer number (8159294).

Almost surely, 2^124049871 is an apocalyptic number.

124049871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124049871 is a deficient number, since it is larger than the sum of its proper divisors (71773185).

124049871 is a wasteful number, since it uses less digits than its factorization.

124049871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 124049871 is about 11137.7677745588. The cubic root of 124049871 is about 498.7299379497.

The spelling of 124049871 in words is "one hundred twenty-four million, forty-nine thousand, eight hundred seventy-one".