124311009 has 32 divisors (see below), whose sum is σ = 175279104. Its totient is φ = 78287040.

The previous prime is 124311007. The next prime is 124311041. The reversal of 124311009 is 900113421.

It is not a de Polignac number, because 124311009 - 2¹ = 124311007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124311007) 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, 948874 + ... + 949004.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^124311009 is an apocalyptic number.

It is an amenable number.

124311009 is a deficient number, since it is larger than the sum of its proper divisors (50968095).

124311009 is a wasteful number, since it uses less digits than its factorization.

124311009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 124311009 is about 11149.4846966127. The cubic root of 124311009 is about 499.0796522930.

The spelling of 124311009 in words is "one hundred twenty-four million, three hundred eleven thousand, nine".