124013340245 has 4 divisors (see below), whose sum is σ = 148816008300. Its totient is φ = 99210672192.

The previous prime is 124013340223. The next prime is 124013340247. The reversal of 124013340245 is 542043310421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53975834929 + 70037505316 = 232327^2 + 264646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124013340245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124013340247) 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, 12401334020 + ... + 12401334029.

It is an arithmetic number, because the mean of its divisors is an integer number (37204002075).

Almost surely, 2^124013340245 is an apocalyptic number.

It is an amenable number.

124013340245 is a deficient number, since it is larger than the sum of its proper divisors (24802668055).

124013340245 is an equidigital number, since it uses as much as digits as its factorization.

124013340245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24802668054.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 124013340245 its reverse (542043310421), we get a palindrome (666056650666).

The spelling of 124013340245 in words is "one hundred twenty-four billion, thirteen million, three hundred forty thousand, two hundred forty-five".