126239147 has 8 divisors (see below), whose sum is σ = 127327776. Its totient is φ = 125154432.

The previous prime is 126239131. The next prime is 126239219. The reversal of 126239147 is 741932621.

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 126239147 - 2⁴ = 126239131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126239107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128723 + ... + 129699.

It is an arithmetic number, because the mean of its divisors is an integer number (15915972).

Almost surely, 2^126239147 is an apocalyptic number.

126239147 is a deficient number, since it is larger than the sum of its proper divisors (1088629).

126239147 is an equidigital number, since it uses as much as digits as its factorization.

126239147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its digits is 18144, while the sum is 35.

The square root of 126239147 is about 11235.6195645812. The cubic root of 126239147 is about 501.6467663667.

The spelling of 126239147 in words is "one hundred twenty-six million, two hundred thirty-nine thousand, one hundred forty-seven".