124421311 has 16 divisors (see below), whose sum is σ = 144131328. Its totient is φ = 105206400.

The previous prime is 124421309. The next prime is 124421327. The reversal of 124421311 is 113124421.

It is a cyclic number.

It is not a de Polignac number, because 124421311 - 2¹ = 124421309 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 (124421371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220716 + ... + 221278.

It is an arithmetic number, because the mean of its divisors is an integer number (9008208).

Almost surely, 2^124421311 is an apocalyptic number.

124421311 is a deficient number, since it is larger than the sum of its proper divisors (19710017).

124421311 is a wasteful number, since it uses less digits than its factorization.

124421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 192, while the sum is 19.

The square root of 124421311 is about 11154.4301064644. The cubic root of 124421311 is about 499.2272209069.

Adding to 124421311 its reverse (113124421), we get a palindrome (237545732).

The spelling of 124421311 in words is "one hundred twenty-four million, four hundred twenty-one thousand, three hundred eleven".