124400032073 has 4 divisors (see below), whose sum is σ = 127762195140. Its totient is φ = 121037869008.

The previous prime is 124400032063. The next prime is 124400032079. The reversal of 124400032073 is 370230004421.

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 107382046864 + 17017985209 = 327692^2 + 130453^2 .

It is a cyclic number.

It is not a de Polignac number, because 124400032073 - 2¹⁴ = 124400015689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124400032079) 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, 1681081478 + ... + 1681081551.

It is an arithmetic number, because the mean of its divisors is an integer number (31940548785).

Almost surely, 2^124400032073 is an apocalyptic number.

It is an amenable number.

124400032073 is a deficient number, since it is larger than the sum of its proper divisors (3362163067).

124400032073 is an equidigital number, since it uses as much as digits as its factorization.

124400032073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362163066.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 124400032073 its reverse (370230004421), we get a palindrome (494630036494).

The spelling of 124400032073 in words is "one hundred twenty-four billion, four hundred million, thirty-two thousand, seventy-three".