124402342011 has 4 divisors (see below), whose sum is σ = 165869789352. Its totient is φ = 82934894672.

The previous prime is 124402342007. The next prime is 124402342019. The reversal of 124402342011 is 110243204421.

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 124402342011 - 2² = 124402342007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124402342019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20733723666 + ... + 20733723671.

It is an arithmetic number, because the mean of its divisors is an integer number (41467447338).

Almost surely, 2^124402342011 is an apocalyptic number.

124402342011 is a deficient number, since it is larger than the sum of its proper divisors (41467447341).

124402342011 is an equidigital number, since it uses as much as digits as its factorization.

124402342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41467447340.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 124402342011 its reverse (110243204421), we get a palindrome (234645546432).

The spelling of 124402342011 in words is "one hundred twenty-four billion, four hundred two million, three hundred forty-two thousand, eleven".