124690909456 has 45 divisors (see below), whose sum is σ = 247458171429. Its totient is φ = 60865898688.

The previous prime is 124690909451. The next prime is 124690909459. The reversal of 124690909456 is 654909096421.

The square root of 124690909456 is 353116.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 64363690000 + 60327219456 = 253700^2 + 245616^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124690909397 and 124690909406.

It is not an unprimeable number, because it can be changed into a prime (124690909451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60734926 + ... + 60736978.

Almost surely, 2^124690909456 is an apocalyptic number.

124690909456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

124690909456 is the 353116-th square number.

It is an amenable number.

124690909456 is a deficient number, since it is larger than the sum of its proper divisors (122767261973).

124690909456 is an frugal number, since it uses more digits than its factorization.

124690909456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 124690909456 in words is "one hundred twenty-four billion, six hundred ninety million, nine hundred nine thousand, four hundred fifty-six".