124420302011 has 4 divisors (see below), whose sum is σ = 126277321512. Its totient is φ = 122563282512.

The previous prime is 124420301983. The next prime is 124420302029. The reversal of 124420302011 is 110203024421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110203024421 = 7 ⋅15743289203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124420302011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124420302311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928509650 + ... + 928509783.

It is an arithmetic number, because the mean of its divisors is an integer number (31569330378).

Almost surely, 2^124420302011 is an apocalyptic number.

124420302011 is a deficient number, since it is larger than the sum of its proper divisors (1857019501).

124420302011 is an equidigital number, since it uses as much as digits as its factorization.

124420302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857019500.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 124420302011 its reverse (110203024421), we get a palindrome (234623326432).

The spelling of 124420302011 in words is "one hundred twenty-four billion, four hundred twenty million, three hundred two thousand, eleven".