124755349949 has 8 divisors (see below), whose sum is σ = 132101112888. Its totient is φ = 117410388480.

The previous prime is 124755349919. The next prime is 124755349997. The reversal of 124755349949 is 949943557421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45318745924 + 79436604025 = 212882^2 + 281845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124755349949 - 2¹² = 124755345853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124755349891 and 124755349900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124755349919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136289 + ... + 517769.

It is an arithmetic number, because the mean of its divisors is an integer number (16512639111).

Almost surely, 2^124755349949 is an apocalyptic number.

It is an amenable number.

124755349949 is a deficient number, since it is larger than the sum of its proper divisors (7345762939).

124755349949 is a wasteful number, since it uses less digits than its factorization.

124755349949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400735.

The product of its digits is 48988800, while the sum is 62.

The spelling of 124755349949 in words is "one hundred twenty-four billion, seven hundred fifty-five million, three hundred forty-nine thousand, nine hundred forty-nine".