124040430450551 has 4 divisors (see below), whose sum is σ = 124046371389600. Its totient is φ = 124034489511504.

The previous prime is 124040430450463. The next prime is 124040430450553. The reversal of 124040430450551 is 155054034040421.

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

It is a cyclic number.

It is not a de Polignac number, because 124040430450551 - 2⁴⁶ = 53671686272887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124040430450553) 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, 2970438206 + ... + 2970479963.

It is an arithmetic number, because the mean of its divisors is an integer number (31011592847400).

Almost surely, 2^{124040430450551} is an apocalyptic number.

124040430450551 is a deficient number, since it is larger than the sum of its proper divisors (5940939049).

124040430450551 is an equidigital number, since it uses as much as digits as its factorization.

124040430450551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940939048.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 124040430450551 its reverse (155054034040421), we get a palindrome (279094464490972).

The spelling of 124040430450551 in words is "one hundred twenty-four trillion, forty billion, four hundred thirty million, four hundred fifty thousand, five hundred fifty-one".