124421067436738 has 4 divisors (see below), whose sum is σ = 186631601155110. Its totient is φ = 62210533718368.

The previous prime is 124421067436697. The next prime is 124421067436759. The reversal of 124421067436738 is 837634760124421.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 70152400744209 + 54268666692529 = 8375703^2 + 7366727^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31105266859183 + ... + 31105266859186.

Almost surely, 2^{124421067436738} is an apocalyptic number.

124421067436738 is a deficient number, since it is larger than the sum of its proper divisors (62210533718372).

124421067436738 is an equidigital number, since it uses as much as digits as its factorization.

124421067436738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62210533718371.

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 124421067436738 in words is "one hundred twenty-four trillion, four hundred twenty-one billion, sixty-seven million, four hundred thirty-six thousand, seven hundred thirty-eight".