124998309601 has 9 divisors (see below), whose sum is σ = 137399111059. Its totient is φ = 113631291400.

The previous prime is 124998309593. The next prime is 124998309629. The reversal of 124998309601 is 106903899421.

The square root of 124998309601 is 353551.

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., 123447525201 + 1550784400 = 351351^2 + 39380^2 .

It is not a de Polignac number, because 124998309601 - 2³ = 124998309593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124998309661) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3872991 + ... + 3905131.

Almost surely, 2^124998309601 is an apocalyptic number.

124998309601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124998309601 is the 353551-st square number.

124998309601 is the 176776-th centered octagonal number.

It is an amenable number.

124998309601 is a deficient number, since it is larger than the sum of its proper divisors (12400801458).

124998309601 is an frugal number, since it uses more digits than its factorization.

124998309601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64304 (or 32152 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 124998309601 in words is "one hundred twenty-four billion, nine hundred ninety-eight million, three hundred nine thousand, six hundred one".