124534362445 has 4 divisors (see below), whose sum is σ = 149441234940. Its totient is φ = 99627489952.

The previous prime is 124534362439. The next prime is 124534362473. The reversal of 124534362445 is 544263435421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544263435421 = 23 ⋅23663627627.

It can be written as a sum of positive squares in 2 ways, for example, as 49398618564 + 75135743881 = 222258^2 + 274109^2 .

It is a cyclic number.

It is not a de Polignac number, because 124534362445 - 2¹⁵ = 124534329677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12453436240 + ... + 12453436249.

It is an arithmetic number, because the mean of its divisors is an integer number (37360308735).

Almost surely, 2^124534362445 is an apocalyptic number.

It is an amenable number.

124534362445 is a deficient number, since it is larger than the sum of its proper divisors (24906872495).

124534362445 is an equidigital number, since it uses as much as digits as its factorization.

124534362445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24906872494.

The product of its digits is 1382400, while the sum is 43.

Adding to 124534362445 its reverse (544263435421), we get a palindrome (668797797866).

The spelling of 124534362445 in words is "one hundred twenty-four billion, five hundred thirty-four million, three hundred sixty-two thousand, four hundred forty-five".