124535012401 has 4 divisors (see below), whose sum is σ = 124725725172. Its totient is φ = 124344299632.

The previous prime is 124535012387. The next prime is 124535012431. The reversal of 124535012401 is 104210535421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104210535421 = 13693 ⋅7610497.

It can be written as a sum of positive squares in 2 ways, for example, as 45677948176 + 78857064225 = 213724^2 + 280815^2 .

It is a cyclic number.

It is not a de Polignac number, because 124535012401 - 2¹⁷ = 124534881329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124535012401.

It is not an unprimeable number, because it can be changed into a prime (124535012431) 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, 95355406 + ... + 95356711.

It is an arithmetic number, because the mean of its divisors is an integer number (31181431293).

Almost surely, 2^124535012401 is an apocalyptic number.

It is an amenable number.

124535012401 is a deficient number, since it is larger than the sum of its proper divisors (190712771).

124535012401 is an equidigital number, since it uses as much as digits as its factorization.

124535012401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190712770.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 124535012401 its reverse (104210535421), we get a palindrome (228745547822).

The spelling of 124535012401 in words is "one hundred twenty-four billion, five hundred thirty-five million, twelve thousand, four hundred one".