126345547 has 8 divisors (see below), whose sum is σ = 138391200. Its totient is φ = 114812544.

The previous prime is 126345529. The next prime is 126345599. The reversal of 126345547 is 745543621.

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

It is a cyclic number.

It is not a de Polignac number, because 126345547 - 2¹⁹ = 125821259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126345347) 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, 127647 + ... + 128632.

It is an arithmetic number, because the mean of its divisors is an integer number (17298900).

Almost surely, 2^126345547 is an apocalyptic number.

126345547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126345547 is a deficient number, since it is larger than the sum of its proper divisors (12045653).

126345547 is a wasteful number, since it uses less digits than its factorization.

126345547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256325.

The product of its digits is 100800, while the sum is 37.

The square root of 126345547 is about 11240.3535086758. The cubic root of 126345547 is about 501.7876635674.

It can be divided in two parts, 12634 and 5547, that added together give a palindrome (18181).

The spelling of 126345547 in words is "one hundred twenty-six million, three hundred forty-five thousand, five hundred forty-seven".