124120211133 has 4 divisors (see below), whose sum is σ = 165493614848. Its totient is φ = 82746807420.

The previous prime is 124120211123. The next prime is 124120211141. The reversal of 124120211133 is 331112021421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124120211133 - 2¹² = 124120207037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124120211123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20686701853 + ... + 20686701858.

It is an arithmetic number, because the mean of its divisors is an integer number (41373403712).

Almost surely, 2^124120211133 is an apocalyptic number.

It is an amenable number.

124120211133 is a deficient number, since it is larger than the sum of its proper divisors (41373403715).

124120211133 is an equidigital number, since it uses as much as digits as its factorization.

124120211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41373403714.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 124120211133 its reverse (331112021421), we get a palindrome (455232232554).

The spelling of 124120211133 in words is "one hundred twenty-four billion, one hundred twenty million, two hundred eleven thousand, one hundred thirty-three".