124530432551 has 6 divisors (see below), whose sum is σ = 144861931800. Its totient is φ = 106740370716.

The previous prime is 124530432547. The next prime is 124530432557. The reversal of 124530432551 is 155234035421.

It is not a de Polignac number, because 124530432551 - 2² = 124530432547 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 (124530432557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270718651 + ... + 1270718748.

It is an arithmetic number, because the mean of its divisors is an integer number (24143655300).

Almost surely, 2^124530432551 is an apocalyptic number.

124530432551 is a deficient number, since it is larger than the sum of its proper divisors (20331499249).

124530432551 is an equidigital number, since it uses as much as digits as its factorization.

124530432551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541437413 (or 2541437406 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 124530432551 its reverse (155234035421), we get a palindrome (279764467972).

The spelling of 124530432551 in words is "one hundred twenty-four billion, five hundred thirty million, four hundred thirty-two thousand, five hundred fifty-one".