124244123311 has 32 divisors (see below), whose sum is σ = 159005016576. Its totient is φ = 94258752000.

The previous prime is 124244123309. The next prime is 124244123329. The reversal of 124244123311 is 113321442421.

It is a happy number.

It is not a de Polignac number, because 124244123311 - 2¹ = 124244123309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124244123311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124244123111) 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, 1510011 + ... + 1590163.

It is an arithmetic number, because the mean of its divisors is an integer number (4968906768).

Almost surely, 2^124244123311 is an apocalyptic number.

124244123311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124244123311 is a deficient number, since it is larger than the sum of its proper divisors (34760893265).

124244123311 is a wasteful number, since it uses less digits than its factorization.

124244123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80703.

The product of its digits is 4608, while the sum is 28.

Adding to 124244123311 its reverse (113321442421), we get a palindrome (237565565732).

The spelling of 124244123311 in words is "one hundred twenty-four billion, two hundred forty-four million, one hundred twenty-three thousand, three hundred eleven".