126072443 has 12 divisors (see below), whose sum is σ = 151388352. Its totient is φ = 104574960.

The previous prime is 126072437. The next prime is 126072449. The reversal of 126072443 is 344270621.

It is an interprime number because it is at equal distance from previous prime (126072437) and next prime (126072449).

It is not a de Polignac number, because 126072443 - 2²² = 121878139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126072449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39980 + ... + 43017.

It is an arithmetic number, because the mean of its divisors is an integer number (12615696).

Almost surely, 2^126072443 is an apocalyptic number.

126072443 is a deficient number, since it is larger than the sum of its proper divisors (25315909).

126072443 is an equidigital number, since it uses as much as digits as its factorization.

126072443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83042 (or 83035 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 126072443 is about 11228.1985643290. The cubic root of 126072443 is about 501.4258540155.

The spelling of 126072443 in words is "one hundred twenty-six million, seventy-two thousand, four hundred forty-three".