124209057 has 8 divisors (see below), whose sum is σ = 189270976. Its totient is φ = 70976592.

The previous prime is 124209053. The next prime is 124209067. The reversal of 124209057 is 750902421.

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

It is not a de Polignac number, because 124209057 - 2² = 124209053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124209053) 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, 2957338 + ... + 2957379.

It is an arithmetic number, because the mean of its divisors is an integer number (23658872).

Almost surely, 2^124209057 is an apocalyptic number.

It is an amenable number.

124209057 is a deficient number, since it is larger than the sum of its proper divisors (65061919).

124209057 is an equidigital number, since it uses as much as digits as its factorization.

124209057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914727.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 124209057 is about 11144.9117089370. The cubic root of 124209057 is about 498.9431771581.

The spelling of 124209057 in words is "one hundred twenty-four million, two hundred nine thousand, fifty-seven".