126349045547 has 4 divisors (see below), whose sum is σ = 126395144256. Its totient is φ = 126302946840.

The previous prime is 126349045523. The next prime is 126349045567. The reversal of 126349045547 is 745540943621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126349045547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126349045495 and 126349045504.

It is not an unprimeable number, because it can be changed into a prime (126349045567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23045243 + ... + 23050724.

It is an arithmetic number, because the mean of its divisors is an integer number (31598786064).

Almost surely, 2^126349045547 is an apocalyptic number.

126349045547 is a deficient number, since it is larger than the sum of its proper divisors (46098709).

126349045547 is an equidigital number, since it uses as much as digits as its factorization.

126349045547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46098708.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 126349045547 in words is "one hundred twenty-six billion, three hundred forty-nine million, forty-five thousand, five hundred forty-seven".