124749849 has 8 divisors (see below), whose sum is σ = 190095040. Its totient is φ = 71285616.

The previous prime is 124749841. The next prime is 124749883. The reversal of 124749849 is 948947421.

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

It is not a de Polignac number, because 124749849 - 2³ = 124749841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124749798 and 124749807.

It is not an unprimeable number, because it can be changed into a prime (124749841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970214 + ... + 2970255.

It is an arithmetic number, because the mean of its divisors is an integer number (23761880).

Almost surely, 2^124749849 is an apocalyptic number.

It is an amenable number.

124749849 is a deficient number, since it is larger than the sum of its proper divisors (65345191).

124749849 is an equidigital number, since it uses as much as digits as its factorization.

124749849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940479.

The product of its digits is 580608, while the sum is 48.

The square root of 124749849 is about 11169.1471921539. The cubic root of 124749849 is about 499.6662425949. Note that the first 3 decimals are identical.

The spelling of 124749849 in words is "one hundred twenty-four million, seven hundred forty-nine thousand, eight hundred forty-nine".