124225936849 has 15 divisors (see below), whose sum is σ = 144941786843. Its totient is φ = 106464571248.

The previous prime is 124225936759. The next prime is 124225936903. The reversal of 124225936849 is 948639522421.

The square root of 124225936849 is 352457.

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., 7650126225 + 116575810624 = 87465^2 + 341432^2 .

It is not a de Polignac number, because 124225936849 - 2⁹ = 124225936337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124225936849.

It is not an unprimeable number, because it can be changed into a prime (124225936349) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17266797 + ... + 17273989.

Almost surely, 2^124225936849 is an apocalyptic number.

124225936849 is the 352457-th square number.

124225936849 is the 176229-th centered octagonal number.

It is an amenable number.

124225936849 is a deficient number, since it is larger than the sum of its proper divisors (20715849994).

124225936849 is an frugal number, since it uses more digits than its factorization.

124225936849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414 (or 7200 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 124225936849 in words is "one hundred twenty-four billion, two hundred twenty-five million, nine hundred thirty-six thousand, eight hundred forty-nine".