124545347849 has 12 divisors (see below), whose sum is σ = 134978888016. Its totient is φ = 114865903152.

The previous prime is 124545347821. The next prime is 124545347867. The reversal of 124545347849 is 948743545421.

It is not a de Polignac number, because 124545347849 - 2¹⁶ = 124545282313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124545347794 and 124545347803.

It is not an unprimeable number, because it can be changed into a prime (124545347809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120287 + ... + 513380.

It is an arithmetic number, because the mean of its divisors is an integer number (11248240668).

Almost surely, 2^124545347849 is an apocalyptic number.

It is an amenable number.

124545347849 is a deficient number, since it is larger than the sum of its proper divisors (10433540167).

124545347849 is a wasteful number, since it uses less digits than its factorization.

124545347849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634856 (or 634843 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 56.

The spelling of 124545347849 in words is "one hundred twenty-four billion, five hundred forty-five million, three hundred forty-seven thousand, eight hundred forty-nine".