124000515481 has 2 divisors, whose sum is σ = 124000515482. Its totient is φ = 124000515480.

The previous prime is 124000515467. The next prime is 124000515539. The reversal of 124000515481 is 184515000421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96404661081 + 27595854400 = 310491^2 + 166120^2 .

It is a cyclic number.

It is not a de Polignac number, because 124000515481 - 2⁹ = 124000514969 is a prime.

It is a super-3 number, since 3×124000515481³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (124000515781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000257740 + 62000257741.

It is an arithmetic number, because the mean of its divisors is an integer number (62000257741).

Almost surely, 2^124000515481 is an apocalyptic number.

It is an amenable number.

124000515481 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000515481 is an equidigital number, since it uses as much as digits as its factorization.

124000515481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 124000515481 in words is "one hundred twenty-four billion, five hundred fifteen thousand, four hundred eighty-one".