126251147 has 8 divisors (see below), whose sum is σ = 137886192. Its totient is φ = 114642400.

The previous prime is 126251137. The next prime is 126251149. The reversal of 126251147 is 741152621.

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 126251147 - 2⁴ = 126251131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126251149) 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, 4253 + ... + 16449.

It is an arithmetic number, because the mean of its divisors is an integer number (17235774).

Almost surely, 2^126251147 is an apocalyptic number.

126251147 is a deficient number, since it is larger than the sum of its proper divisors (11635045).

126251147 is a wasteful number, since it uses less digits than its factorization.

126251147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13149.

The product of its digits is 3360, while the sum is 29.

The square root of 126251147 is about 11236.1535678363. The cubic root of 126251147 is about 501.6626609884.

The spelling of 126251147 in words is "one hundred twenty-six million, two hundred fifty-one thousand, one hundred forty-seven".