124137033236431 has 4 divisors (see below), whose sum is σ = 124683892413912. Its totient is φ = 123590174058952.

The previous prime is 124137033236389. The next prime is 124137033236533. The reversal of 124137033236431 is 134632330731421.

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 124137033236431 - 2¹⁵ = 124137033203663 is a prime.

It is a super-2 number, since 2×124137033236431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124137033236131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273429588400 + ... + 273429588853.

It is an arithmetic number, because the mean of its divisors is an integer number (31170973103478).

Almost surely, 2^{124137033236431} is an apocalyptic number.

124137033236431 is a deficient number, since it is larger than the sum of its proper divisors (546859177481).

124137033236431 is an equidigital number, since it uses as much as digits as its factorization.

124137033236431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546859177480.

The product of its (nonzero) digits is 653184, while the sum is 43.

Adding to 124137033236431 its reverse (134632330731421), we get a palindrome (258769363967852).

The spelling of 124137033236431 in words is "one hundred twenty-four trillion, one hundred thirty-seven billion, thirty-three million, two hundred thirty-six thousand, four hundred thirty-one".