124997029929 has 10 divisors (see below), whose sum is σ = 186723958410. Its totient is φ = 83331353232.

The previous prime is 124997029907. The next prime is 124997029957. The reversal of 124997029929 is 929920799421.

It can be written as a sum of positive squares in only one way, i.e., 104073986025 + 20923043904 = 322605^2 + 144648^2 .

It is not a de Polignac number, because 124997029929 - 2¹² = 124997025833 is a prime.

It is a super-3 number, since 3×124997029929³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (124997029999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 771586524 + ... + 771586685.

It is an arithmetic number, because the mean of its divisors is an integer number (18672395841).

Almost surely, 2^124997029929 is an apocalyptic number.

It is an amenable number.

124997029929 is a deficient number, since it is larger than the sum of its proper divisors (61726928481).

124997029929 is an equidigital number, since it uses as much as digits as its factorization.

124997029929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543173221 (or 1543173212 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 124997029929 in words is "one hundred twenty-four billion, nine hundred ninety-seven million, twenty-nine thousand, nine hundred twenty-nine".