124031011 has 4 divisors (see below), whose sum is σ = 133571872. Its totient is φ = 114490152.

The previous prime is 124030981. The next prime is 124031021. The reversal of 124031011 is 110130421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124031011 - 2¹³ = 124022819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 9540847 = 124031011 / (1 + 2 + 4 + 0 + 3 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124030982 and 124031000.

It is not an unprimeable number, because it can be changed into a prime (124031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4770411 + ... + 4770436.

It is an arithmetic number, because the mean of its divisors is an integer number (33392968).

Almost surely, 2^124031011 is an apocalyptic number.

124031011 is a deficient number, since it is larger than the sum of its proper divisors (9540861).

124031011 is an equidigital number, since it uses as much as digits as its factorization.

124031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540860.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 124031011 is about 11136.9210736181. The cubic root of 124031011 is about 498.7046617623.

Adding to 124031011 its reverse (110130421), we get a palindrome (234161432).

The spelling of 124031011 in words is "one hundred twenty-four million, thirty-one thousand, eleven".