124251540132443 has 4 divisors (see below), whose sum is σ = 124251575346360. Its totient is φ = 124251504918528.

The previous prime is 124251540132331. The next prime is 124251540132479. The reversal of 124251540132443 is 344231045152421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124251540132443 is a prime.

It is a super-2 number, since 2×124251540132443² (a number of 29 digits) contains 22 as substring.

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 124251540132443.

It is not an unprimeable number, because it can be changed into a prime (124251540732443) 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, 11640230 + ... + 19595867.

It is an arithmetic number, because the mean of its divisors is an integer number (31062893836590).

Almost surely, 2^{124251540132443} is an apocalyptic number.

124251540132443 is a deficient number, since it is larger than the sum of its proper divisors (35213917).

124251540132443 is an equidigital number, since it uses as much as digits as its factorization.

124251540132443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35213916.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 124251540132443 its reverse (344231045152421), we get a palindrome (468482585284864).

The spelling of 124251540132443 in words is "one hundred twenty-four trillion, two hundred fifty-one billion, five hundred forty million, one hundred thirty-two thousand, four hundred forty-three".