126372749 has 8 divisors (see below), whose sum is σ = 132948000. Its totient is φ = 119945392.

The previous prime is 126372721. The next prime is 126372751. The reversal of 126372749 is 947273621.

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

It is not a de Polignac number, because 126372749 - 2²⁴ = 109595533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126372769) 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, 35219 + ... + 38640.

It is an arithmetic number, because the mean of its divisors is an integer number (16618500).

Almost surely, 2^126372749 is an apocalyptic number.

It is an amenable number.

126372749 is a deficient number, since it is larger than the sum of its proper divisors (6575251).

126372749 is an equidigital number, since it uses as much as digits as its factorization.

126372749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73947.

The product of its digits is 127008, while the sum is 41.

The square root of 126372749 is about 11241.5634588788. The cubic root of 126372749 is about 501.8236723515.

The spelling of 126372749 in words is "one hundred twenty-six million, three hundred seventy-two thousand, seven hundred forty-nine".