124969481911 has 4 divisors (see below), whose sum is σ = 125010472000. Its totient is φ = 124928491824.

The previous prime is 124969481893. The next prime is 124969481927. The reversal of 124969481911 is 119184969421.

It is a happy number.

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 124969481911 - 2²⁹ = 124432610999 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 (124969481111) 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, 20490471 + ... + 20496568.

It is an arithmetic number, because the mean of its divisors is an integer number (31252618000).

Almost surely, 2^124969481911 is an apocalyptic number.

124969481911 is a deficient number, since it is larger than the sum of its proper divisors (40990089).

124969481911 is an equidigital number, since it uses as much as digits as its factorization.

124969481911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40990088.

The product of its digits is 1119744, while the sum is 55.

The spelling of 124969481911 in words is "one hundred twenty-four billion, nine hundred sixty-nine million, four hundred eighty-one thousand, nine hundred eleven".